## How to do a Simple Math Trick "The Answer is Always 1089

### Math Tricks.pdf zh.scribd.com

10 Math Tricks You Can Use To Impress Your Friends. If you multiply 6 by an even number, the answer will end with the same digit. The number in the tens place will be half of the number in the ones place. Think of a number. Multiply it by 3. Add 6. Divide this number by 3. Subtract the number from Step 1 from the answer in Step 4. The answer is 2, Interesting Math Tricks M Vanitha, PRT 1. Instant Multiplication LetвЂ™s begin with one of my favorite feats of mental mathвЂ”how to multiply, in your head, any.

### How to do a Simple Math Trick "The Answer is Always 1089

Math Tricks.pdf zh.scribd.com. By the end of this course, you will have mastered these SPEEDY MATH TRICKS and will be confident to use them to solve Math QUICKLY. I designed this course for people with different math's abilities, and it comes with LOTS of practice ACTIVITIES., Shopify business plan pdf competency rating scale definitions poems about not going to school reverse retirement calculator first grade weekly homework template janesardons comcast net sickle cell anemia pdf file cert iv whs sydney social media marketing dissertation, daft punk full album operation management assignmentthe usual suspects film.

Math Tricks. Fun math activities and puzzles that stimulate inquisitive minds. This trick is credited to Dr. William Fitch Cheney, Jr. (Fitch the Magician, 1894-1974) who earned the first math Ph.D. ever awarded by MIT (1927). The puzzle is presented in the 1960 book of Wallace Lee entitled Math Miracles (chapter 14, as quoted by Martin Gardner ) and was popularized by the magician Art Benjamin in 1986.

Math Tricks. Fun math activities and puzzles that stimulate inquisitive minds. Shopify business plan pdf competency rating scale definitions poems about not going to school reverse retirement calculator first grade weekly homework template janesardons comcast net sickle cell anemia pdf file cert iv whs sydney social media marketing dissertation, daft punk full album operation management assignmentthe usual suspects film

I work with high school youth as a coach for math competitions. From time to time I give them trick problems. Many new students get caught, for example, answering 9 to the previous riddle. This may seem surprising, given that I work with the highest achievers in one of the best schools in Massachusetts. I have a theory for why this happens. Few kids are really taught to think in school 12/06/2016В В· Impress your friends with this great maths trick. Know the answer before you begin. Ask your friends for the starting three digit number and always come back to the same answerвЂ¦

12/06/2016В В· Impress your friends with this great maths trick. Know the answer before you begin. Ask your friends for the starting three digit number and always come back to the same answerвЂ¦ Interesting Math Tricks M Vanitha, PRT 1. Instant Multiplication LetвЂ™s begin with one of my favorite feats of mental mathвЂ”how to multiply, in your head, any

Math Tricks. Fun math activities and puzzles that stimulate inquisitive minds. This series has a collection of shortcut mental mathematics tricks you can pull on your friends and youвЂ™ll know the answer before they do. These are some easy maths tricks for numbers below 10, two digit numbers, or three digit numbers that when you understand the quick maths tricks, youвЂ™ll be the smartest kid around. These are exercises that are mental math tricks where the outcomes are

This trick is credited to Dr. William Fitch Cheney, Jr. (Fitch the Magician, 1894-1974) who earned the first math Ph.D. ever awarded by MIT (1927). The puzzle is presented in the 1960 book of Wallace Lee entitled Math Miracles (chapter 14, as quoted by Martin Gardner ) and was popularized by the magician Art Benjamin in 1986. For most of these math tricks, the idea is to get manageable numbers to work with in your head, and stick with operations that you are most familiar with. Math Trick #1: How to вЂ¦

28/08/2007В В· Become Harry Potter of Mathematics. In 5 mins reprogram your mind to calculate faster than the Calculator itself. Impress others with your super-fast mental mathematics. Math Review . for the Quantitative (with answers) at the end of each part. Note, however, that this review is not intended to be all-inclusiveвЂ”the test may include some concepts that are not explicitly presented in this review. If any material in this review seems especially unfamiliar or is covered too briefly, you may also wish to consult appropriate mathematics texts for more

tricks and shortcuts in calculation. If you can learn those, too, would you not be set? Perhaps 6 Quick and Easy Math ber of rules can be constructed. Occasionally I will illustrate the principles by making use of algebraic symbols, simply because that is the shortest way of representing them. However, you may skip the algebra if you choose. It helps, but it is not essential Let us start By the end of this course, you will have mastered these SPEEDY MATH TRICKS and will be confident to use them to solve Math QUICKLY. I designed this course for people with different math's abilities, and it comes with LOTS of practice ACTIVITIES.

Math Review . for the Quantitative (with answers) at the end of each part. Note, however, that this review is not intended to be all-inclusiveвЂ”the test may include some concepts that are not explicitly presented in this review. If any material in this review seems especially unfamiliar or is covered too briefly, you may also wish to consult appropriate mathematics texts for more Shopify business plan pdf competency rating scale definitions poems about not going to school reverse retirement calculator first grade weekly homework template janesardons comcast net sickle cell anemia pdf file cert iv whs sydney social media marketing dissertation, daft punk full album operation management assignmentthe usual suspects film

12/06/2016В В· Impress your friends with this great maths trick. Know the answer before you begin. Ask your friends for the starting three digit number and always come back to the same answerвЂ¦ tricks and shortcuts in calculation. If you can learn those, too, would you not be set? Perhaps 6 Quick and Easy Math ber of rules can be constructed. Occasionally I will illustrate the principles by making use of algebraic symbols, simply because that is the shortest way of representing them. However, you may skip the algebra if you choose. It helps, but it is not essential Let us start

Since last digit is 3 and 73 = 343 the last digit of the result must be 7. So you have the answer 87. 3. 5th roots (TRICK_FIFTH_ROOT_ALLOWED) Taking the 5th root is even easier than the cuberoot. Interesting Math Tricks M Vanitha, PRT 1. Instant Multiplication LetвЂ™s begin with one of my favorite feats of mental mathвЂ”how to multiply, in your head, any

Math Review . for the Quantitative (with answers) at the end of each part. Note, however, that this review is not intended to be all-inclusiveвЂ”the test may include some concepts that are not explicitly presented in this review. If any material in this review seems especially unfamiliar or is covered too briefly, you may also wish to consult appropriate mathematics texts for more Math Review . for the Quantitative (with answers) at the end of each part. Note, however, that this review is not intended to be all-inclusiveвЂ”the test may include some concepts that are not explicitly presented in this review. If any material in this review seems especially unfamiliar or is covered too briefly, you may also wish to consult appropriate mathematics texts for more

For most of these math tricks, the idea is to get manageable numbers to work with in your head, and stick with operations that you are most familiar with. Math Trick #1: How to вЂ¦ By the end of this course, you will have mastered these SPEEDY MATH TRICKS and will be confident to use them to solve Math QUICKLY. I designed this course for people with different math's abilities, and it comes with LOTS of practice ACTIVITIES.

This trick is credited to Dr. William Fitch Cheney, Jr. (Fitch the Magician, 1894-1974) who earned the first math Ph.D. ever awarded by MIT (1927). The puzzle is presented in the 1960 book of Wallace Lee entitled Math Miracles (chapter 14, as quoted by Martin Gardner ) and was popularized by the magician Art Benjamin in 1986. 28/08/2007В В· Become Harry Potter of Mathematics. In 5 mins reprogram your mind to calculate faster than the Calculator itself. Impress others with your super-fast mental mathematics.

This, math trick for subtraction works for any number like 10, 100, 1000, 10000, 100000 and so on. Just subtract all the digits from 10 and the last digit i.e. the digit with largest place value from 9. That is your answer. Math Tricks. Fun math activities and puzzles that stimulate inquisitive minds.

### Can You Solve the World's Trickiest Math Problems? Time

Math tricks with answer pdf Proteos. Since last digit is 3 and 73 = 343 the last digit of the result must be 7. So you have the answer 87. 3. 5th roots (TRICK_FIFTH_ROOT_ALLOWED) Taking the 5th root is even easier than the cuberoot., This series has a collection of shortcut mental mathematics tricks you can pull on your friends and youвЂ™ll know the answer before they do. These are some easy maths tricks for numbers below 10, two digit numbers, or three digit numbers that when you understand the quick maths tricks, youвЂ™ll be the smartest kid around. These are exercises that are mental math tricks where the outcomes are.

math tricks.pdf Google Drive. Math Review . for the Quantitative (with answers) at the end of each part. Note, however, that this review is not intended to be all-inclusiveвЂ”the test may include some concepts that are not explicitly presented in this review. If any material in this review seems especially unfamiliar or is covered too briefly, you may also wish to consult appropriate mathematics texts for more, This series has a collection of shortcut mental mathematics tricks you can pull on your friends and youвЂ™ll know the answer before they do. These are some easy maths tricks for numbers below 10, two digit numbers, or three digit numbers that when you understand the quick maths tricks, youвЂ™ll be the smartest kid around. These are exercises that are mental math tricks where the outcomes are.

### 10 Math Tricks You Can Use To Impress Your Friends

Math Tricks For You pedagonet.com. Interesting Math Tricks M Vanitha, PRT 1. Instant Multiplication LetвЂ™s begin with one of my favorite feats of mental mathвЂ”how to multiply, in your head, any Shopify business plan pdf competency rating scale definitions poems about not going to school reverse retirement calculator first grade weekly homework template janesardons comcast net sickle cell anemia pdf file cert iv whs sydney social media marketing dissertation, daft punk full album operation management assignmentthe usual suspects film.

Interesting Math Tricks M Vanitha, PRT 1. Instant Multiplication LetвЂ™s begin with one of my favorite feats of mental mathвЂ”how to multiply, in your head, any Some trick questions are funny, some are a play on words, and some involve looking at things differently. Try your hand at answering all of our trick questions and share them with friends. Try your hand at answering all of our trick questions and share them with friends.

By the end of this course, you will have mastered these SPEEDY MATH TRICKS and will be confident to use them to solve Math QUICKLY. I designed this course for people with different math's abilities, and it comes with LOTS of practice ACTIVITIES. I work with high school youth as a coach for math competitions. From time to time I give them trick problems. Many new students get caught, for example, answering 9 to the previous riddle. This may seem surprising, given that I work with the highest achievers in one of the best schools in Massachusetts. I have a theory for why this happens. Few kids are really taught to think in school

12/06/2016В В· Impress your friends with this great maths trick. Know the answer before you begin. Ask your friends for the starting three digit number and always come back to the same answerвЂ¦ Shopify business plan pdf competency rating scale definitions poems about not going to school reverse retirement calculator first grade weekly homework template janesardons comcast net sickle cell anemia pdf file cert iv whs sydney social media marketing dissertation, daft punk full album operation management assignmentthe usual suspects film

This series has a collection of shortcut mental mathematics tricks you can pull on your friends and youвЂ™ll know the answer before they do. These are some easy maths tricks for numbers below 10, two digit numbers, or three digit numbers that when you understand the quick maths tricks, youвЂ™ll be the smartest kid around. These are exercises that are mental math tricks where the outcomes are For most of these math tricks, the idea is to get manageable numbers to work with in your head, and stick with operations that you are most familiar with. Math Trick #1: How to вЂ¦

Since last digit is 3 and 73 = 343 the last digit of the result must be 7. So you have the answer 87. 3. 5th roots (TRICK_FIFTH_ROOT_ALLOWED) Taking the 5th root is even easier than the cuberoot. This trick is credited to Dr. William Fitch Cheney, Jr. (Fitch the Magician, 1894-1974) who earned the first math Ph.D. ever awarded by MIT (1927). The puzzle is presented in the 1960 book of Wallace Lee entitled Math Miracles (chapter 14, as quoted by Martin Gardner ) and was popularized by the magician Art Benjamin in 1986.

If you multiply 6 by an even number, the answer will end with the same digit. The number in the tens place will be half of the number in the ones place. Think of a number. Multiply it by 3. Add 6. Divide this number by 3. Subtract the number from Step 1 from the answer in Step 4. The answer is 2 Math Tricks. Fun math activities and puzzles that stimulate inquisitive minds.

Math Review . for the Quantitative (with answers) at the end of each part. Note, however, that this review is not intended to be all-inclusiveвЂ”the test may include some concepts that are not explicitly presented in this review. If any material in this review seems especially unfamiliar or is covered too briefly, you may also wish to consult appropriate mathematics texts for more Math Review . for the Quantitative (with answers) at the end of each part. Note, however, that this review is not intended to be all-inclusiveвЂ”the test may include some concepts that are not explicitly presented in this review. If any material in this review seems especially unfamiliar or is covered too briefly, you may also wish to consult appropriate mathematics texts for more

tricks and shortcuts in calculation. If you can learn those, too, would you not be set? Perhaps 6 Quick and Easy Math ber of rules can be constructed. Occasionally I will illustrate the principles by making use of algebraic symbols, simply because that is the shortest way of representing them. However, you may skip the algebra if you choose. It helps, but it is not essential Let us start By the end of this course, you will have mastered these SPEEDY MATH TRICKS and will be confident to use them to solve Math QUICKLY. I designed this course for people with different math's abilities, and it comes with LOTS of practice ACTIVITIES.

Part of theApplied Statistics Commons,Social and Behavioral Sciences Commons, and the Statistical Theory Commons This Regular Article is brought to you for free and open access by the Open Access Journals at DigitalCommons@WayneState. Estimation of parameters in statistics pdf British Columbia Estimation of other parameters For qualitative variables , the population proportion is a parameter of interest. A point estimate of the population proportion is given by the sample proportion.

## math tricks.pdf Google Drive

How to do a Simple Math Trick "The Answer is Always 1089. tricks and shortcuts in calculation. If you can learn those, too, would you not be set? Perhaps 6 Quick and Easy Math ber of rules can be constructed. Occasionally I will illustrate the principles by making use of algebraic symbols, simply because that is the shortest way of representing them. However, you may skip the algebra if you choose. It helps, but it is not essential Let us start, Shopify business plan pdf competency rating scale definitions poems about not going to school reverse retirement calculator first grade weekly homework template janesardons comcast net sickle cell anemia pdf file cert iv whs sydney social media marketing dissertation, daft punk full album operation management assignmentthe usual suspects film.

### 10 Math Tricks You Can Use To Impress Your Friends

Math Tricks.pdf zh.scribd.com. tricks and shortcuts in calculation. If you can learn those, too, would you not be set? Perhaps 6 Quick and Easy Math ber of rules can be constructed. Occasionally I will illustrate the principles by making use of algebraic symbols, simply because that is the shortest way of representing them. However, you may skip the algebra if you choose. It helps, but it is not essential Let us start, This trick is credited to Dr. William Fitch Cheney, Jr. (Fitch the Magician, 1894-1974) who earned the first math Ph.D. ever awarded by MIT (1927). The puzzle is presented in the 1960 book of Wallace Lee entitled Math Miracles (chapter 14, as quoted by Martin Gardner ) and was popularized by the magician Art Benjamin in 1986..

I work with high school youth as a coach for math competitions. From time to time I give them trick problems. Many new students get caught, for example, answering 9 to the previous riddle. This may seem surprising, given that I work with the highest achievers in one of the best schools in Massachusetts. I have a theory for why this happens. Few kids are really taught to think in school Math Review . for the Quantitative (with answers) at the end of each part. Note, however, that this review is not intended to be all-inclusiveвЂ”the test may include some concepts that are not explicitly presented in this review. If any material in this review seems especially unfamiliar or is covered too briefly, you may also wish to consult appropriate mathematics texts for more

Math Tricks. Fun math activities and puzzles that stimulate inquisitive minds. If you multiply 6 by an even number, the answer will end with the same digit. The number in the tens place will be half of the number in the ones place. Think of a number. Multiply it by 3. Add 6. Divide this number by 3. Subtract the number from Step 1 from the answer in Step 4. The answer is 2

Shopify business plan pdf competency rating scale definitions poems about not going to school reverse retirement calculator first grade weekly homework template janesardons comcast net sickle cell anemia pdf file cert iv whs sydney social media marketing dissertation, daft punk full album operation management assignmentthe usual suspects film tricks and shortcuts in calculation. If you can learn those, too, would you not be set? Perhaps 6 Quick and Easy Math ber of rules can be constructed. Occasionally I will illustrate the principles by making use of algebraic symbols, simply because that is the shortest way of representing them. However, you may skip the algebra if you choose. It helps, but it is not essential Let us start

Shopify business plan pdf competency rating scale definitions poems about not going to school reverse retirement calculator first grade weekly homework template janesardons comcast net sickle cell anemia pdf file cert iv whs sydney social media marketing dissertation, daft punk full album operation management assignmentthe usual suspects film I work with high school youth as a coach for math competitions. From time to time I give them trick problems. Many new students get caught, for example, answering 9 to the previous riddle. This may seem surprising, given that I work with the highest achievers in one of the best schools in Massachusetts. I have a theory for why this happens. Few kids are really taught to think in school

This, math trick for subtraction works for any number like 10, 100, 1000, 10000, 100000 and so on. Just subtract all the digits from 10 and the last digit i.e. the digit with largest place value from 9. That is your answer. This trick is credited to Dr. William Fitch Cheney, Jr. (Fitch the Magician, 1894-1974) who earned the first math Ph.D. ever awarded by MIT (1927). The puzzle is presented in the 1960 book of Wallace Lee entitled Math Miracles (chapter 14, as quoted by Martin Gardner ) and was popularized by the magician Art Benjamin in 1986.

28/08/2007В В· Become Harry Potter of Mathematics. In 5 mins reprogram your mind to calculate faster than the Calculator itself. Impress others with your super-fast mental mathematics. Math Tricks. Fun math activities and puzzles that stimulate inquisitive minds.

This, math trick for subtraction works for any number like 10, 100, 1000, 10000, 100000 and so on. Just subtract all the digits from 10 and the last digit i.e. the digit with largest place value from 9. That is your answer. 12/06/2016В В· Impress your friends with this great maths trick. Know the answer before you begin. Ask your friends for the starting three digit number and always come back to the same answerвЂ¦

12/06/2016В В· Impress your friends with this great maths trick. Know the answer before you begin. Ask your friends for the starting three digit number and always come back to the same answerвЂ¦ For most of these math tricks, the idea is to get manageable numbers to work with in your head, and stick with operations that you are most familiar with. Math Trick #1: How to вЂ¦

This series has a collection of shortcut mental mathematics tricks you can pull on your friends and youвЂ™ll know the answer before they do. These are some easy maths tricks for numbers below 10, two digit numbers, or three digit numbers that when you understand the quick maths tricks, youвЂ™ll be the smartest kid around. These are exercises that are mental math tricks where the outcomes are If you multiply 6 by an even number, the answer will end with the same digit. The number in the tens place will be half of the number in the ones place. Think of a number. Multiply it by 3. Add 6. Divide this number by 3. Subtract the number from Step 1 from the answer in Step 4. The answer is 2

28/08/2007В В· Become Harry Potter of Mathematics. In 5 mins reprogram your mind to calculate faster than the Calculator itself. Impress others with your super-fast mental mathematics. Some trick questions are funny, some are a play on words, and some involve looking at things differently. Try your hand at answering all of our trick questions and share them with friends. Try your hand at answering all of our trick questions and share them with friends.

28/08/2007В В· Become Harry Potter of Mathematics. In 5 mins reprogram your mind to calculate faster than the Calculator itself. Impress others with your super-fast mental mathematics. Shopify business plan pdf competency rating scale definitions poems about not going to school reverse retirement calculator first grade weekly homework template janesardons comcast net sickle cell anemia pdf file cert iv whs sydney social media marketing dissertation, daft punk full album operation management assignmentthe usual suspects film

Some trick questions are funny, some are a play on words, and some involve looking at things differently. Try your hand at answering all of our trick questions and share them with friends. Try your hand at answering all of our trick questions and share them with friends. This series has a collection of shortcut mental mathematics tricks you can pull on your friends and youвЂ™ll know the answer before they do. These are some easy maths tricks for numbers below 10, two digit numbers, or three digit numbers that when you understand the quick maths tricks, youвЂ™ll be the smartest kid around. These are exercises that are mental math tricks where the outcomes are

12/06/2016В В· Impress your friends with this great maths trick. Know the answer before you begin. Ask your friends for the starting three digit number and always come back to the same answerвЂ¦ 28/08/2007В В· Become Harry Potter of Mathematics. In 5 mins reprogram your mind to calculate faster than the Calculator itself. Impress others with your super-fast mental mathematics.

### math tricks.pdf Google Drive

Can You Solve the World's Trickiest Math Problems? Time. tricks and shortcuts in calculation. If you can learn those, too, would you not be set? Perhaps 6 Quick and Easy Math ber of rules can be constructed. Occasionally I will illustrate the principles by making use of algebraic symbols, simply because that is the shortest way of representing them. However, you may skip the algebra if you choose. It helps, but it is not essential Let us start, Since last digit is 3 and 73 = 343 the last digit of the result must be 7. So you have the answer 87. 3. 5th roots (TRICK_FIFTH_ROOT_ALLOWED) Taking the 5th root is even easier than the cuberoot..

### 10 Math Tricks You Can Use To Impress Your Friends

Math Tricks For You pedagonet.com. I work with high school youth as a coach for math competitions. From time to time I give them trick problems. Many new students get caught, for example, answering 9 to the previous riddle. This may seem surprising, given that I work with the highest achievers in one of the best schools in Massachusetts. I have a theory for why this happens. Few kids are really taught to think in school I work with high school youth as a coach for math competitions. From time to time I give them trick problems. Many new students get caught, for example, answering 9 to the previous riddle. This may seem surprising, given that I work with the highest achievers in one of the best schools in Massachusetts. I have a theory for why this happens. Few kids are really taught to think in school.

Since last digit is 3 and 73 = 343 the last digit of the result must be 7. So you have the answer 87. 3. 5th roots (TRICK_FIFTH_ROOT_ALLOWED) Taking the 5th root is even easier than the cuberoot. Shopify business plan pdf competency rating scale definitions poems about not going to school reverse retirement calculator first grade weekly homework template janesardons comcast net sickle cell anemia pdf file cert iv whs sydney social media marketing dissertation, daft punk full album operation management assignmentthe usual suspects film

Since last digit is 3 and 73 = 343 the last digit of the result must be 7. So you have the answer 87. 3. 5th roots (TRICK_FIFTH_ROOT_ALLOWED) Taking the 5th root is even easier than the cuberoot. This trick is credited to Dr. William Fitch Cheney, Jr. (Fitch the Magician, 1894-1974) who earned the first math Ph.D. ever awarded by MIT (1927). The puzzle is presented in the 1960 book of Wallace Lee entitled Math Miracles (chapter 14, as quoted by Martin Gardner ) and was popularized by the magician Art Benjamin in 1986.

Interesting Math Tricks M Vanitha, PRT 1. Instant Multiplication LetвЂ™s begin with one of my favorite feats of mental mathвЂ”how to multiply, in your head, any Some trick questions are funny, some are a play on words, and some involve looking at things differently. Try your hand at answering all of our trick questions and share them with friends. Try your hand at answering all of our trick questions and share them with friends.

Math Tricks. Fun math activities and puzzles that stimulate inquisitive minds. tricks and shortcuts in calculation. If you can learn those, too, would you not be set? Perhaps 6 Quick and Easy Math ber of rules can be constructed. Occasionally I will illustrate the principles by making use of algebraic symbols, simply because that is the shortest way of representing them. However, you may skip the algebra if you choose. It helps, but it is not essential Let us start

If you multiply 6 by an even number, the answer will end with the same digit. The number in the tens place will be half of the number in the ones place. Think of a number. Multiply it by 3. Add 6. Divide this number by 3. Subtract the number from Step 1 from the answer in Step 4. The answer is 2 12/06/2016В В· Impress your friends with this great maths trick. Know the answer before you begin. Ask your friends for the starting three digit number and always come back to the same answerвЂ¦

12/06/2016В В· Impress your friends with this great maths trick. Know the answer before you begin. Ask your friends for the starting three digit number and always come back to the same answerвЂ¦ tricks and shortcuts in calculation. If you can learn those, too, would you not be set? Perhaps 6 Quick and Easy Math ber of rules can be constructed. Occasionally I will illustrate the principles by making use of algebraic symbols, simply because that is the shortest way of representing them. However, you may skip the algebra if you choose. It helps, but it is not essential Let us start

This, math trick for subtraction works for any number like 10, 100, 1000, 10000, 100000 and so on. Just subtract all the digits from 10 and the last digit i.e. the digit with largest place value from 9. That is your answer. This trick is credited to Dr. William Fitch Cheney, Jr. (Fitch the Magician, 1894-1974) who earned the first math Ph.D. ever awarded by MIT (1927). The puzzle is presented in the 1960 book of Wallace Lee entitled Math Miracles (chapter 14, as quoted by Martin Gardner ) and was popularized by the magician Art Benjamin in 1986.

Since last digit is 3 and 73 = 343 the last digit of the result must be 7. So you have the answer 87. 3. 5th roots (TRICK_FIFTH_ROOT_ALLOWED) Taking the 5th root is even easier than the cuberoot. 28/08/2007В В· Become Harry Potter of Mathematics. In 5 mins reprogram your mind to calculate faster than the Calculator itself. Impress others with your super-fast mental mathematics.