eBook - ePub
Math Puzzles and Brainteasers, Grades 3-5
Over 300 Puzzles that Teach Math and Problem-Solving Skills
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eBook - ePub
Math Puzzles and Brainteasers, Grades 3-5
Over 300 Puzzles that Teach Math and Problem-Solving Skills
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Table of contents
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About This Book
Number puzzles, spatial/visual puzzles, cryptograms, Sudoku, Kokuro, logic puzzles, and word games like Frame Games are all a great way to teach math and problem-solving skills to elementary and middle school students. In these two new collections, puzzle master Terry Stickels provides puzzles and brain games that range from simple to challenging and are organized by grade level and National Council of Teachers of Mathematics (NCTM) content areas. Each book offers over 300 brain games that will help students learn core math concepts and develop critical thinking skills. The books include a wide range of puzzle types and cover a variety of math topics, from fractions and geometry to probability and algebra.
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Part I
NUMBERS and OPERATIONS
Whole Numbers
1. What is the next number in the sequence below?
2. Place the numbers 1-12 in the twelve circles below so the sum of each side of the triangle is 36. I will give you a head start by placing some of the numbers for you. (The numbers may be used once only.)
3. My brother has a summer job and earns $5 an hour. He is going to work 5 hours a day for 5 days a week, and will do this for 5 total weeks.
a. How much money will he make in 1 week?
b. What is the total amount of money that he will earn?
4. Brenda bought a new catcherâs mitt for $75. Her mom saw another mitt that was a better quality glove and cost less, so she bought it for $60. Brenda sold her first mitt for $65. A week later, Brendaâs mom accidentally threw her new glove in the trash. Brenda found her first mitt for sale a month later for $50. She bought it back. How much money did Brenda and her mom end up losing on these transactions?
5. Two shapes are each given a value. Each value is a whole number. This whole number is at least 0 and at the most 10.
Write the value for the following shape.
Once you know the value, do the following exercises by replacing the shape with its value.
6. Mrs. Johnson was going to purchase an iPod on sale for $250. At the checkout counter she received an additional 10% discount. How much did Mrs. Johnson pay for the iPod after the discount?
7. In the addition problem below, the digits B and C represent a number different from any of the other numbers shown (that is, not 1, 4, 5, 6, or 9).
What are the only two possible values for B and C?
8. What is the missing number in the pie below?
9. The grid below has a certain pattern to it that holds true for each row. Can you determine that pattern and find the missing number?
10. Can you determine the missing number in the box? The same rule of logic applies to all three boxes.
11. The three numbers in each box have a relationship that is the same in all six boxes. Knowing this, can you find the missing number where the question mark is? What is the relationship?
12. In the addition problem below, the letters AB represent a two-digit number. If you know that the letter B is not a zero (0), can you tell me which numbers represent A and B?
13. Below is a fun puzzle called an alphametic. Each letter stands for a different digit. Zero (0) is sometimes used for alphametics, but it can never start a word. You may use any of the digits 0-9.
This puzzle has only one solution if we let the letter W = 2 and R = 6. Can you find the other numbers that fit the addition problem?
Just for Fun: Frame Game
14. Find the hidden phrase or title.
15. Analogy puzzles ask you to think about the relationships between two things. The symbol : : means âis the same asâ or âis analogous to.â
Example: 5 : 25 : : 6 : ? would be read as â5 is to 25 as 6 ...
Table of contents
- Praise
- Jossey-Bass Teacher
- Title Page
- Copyright Page
- Foreword
- Acknowledgements
- About This Book
- The Author
- Introduction
- Part I - NUMBERS and OPERATIONS
- Part II - GEOMETRY and MEASUREMENT
- Part III - MATHEMATICAL REASONING
- Part IV - ALGEBRA, STATISTICS, and PROBABILITY
- Answers