Category Archives: Practice Tests

Division of Integers Exercises – Set 1

Below are exercises on division of signed numbers. Part I and II are exercises for divison of integers, while part III is an extension to fractions and decimals. Part I 1.   2. 3. 4. 5. 6. 7. 8. 9. 10. Part II 1.   2.   3. 4. 5. 6. 7. 8. 9. 10.… Read More »

Multiplication of Integers Exercises – Set 1

Below are exercises on multiplication of signed numbers. Part I and II are exercises for multiplication of integers, while part III is an extension to fractions and decimals. I have written the exercises using the notation as well as the parenthesis to familiarize you with both notations. Solutions and answers can be found here. Part… Read More »

Subtraction of Integers Exercises – Set 1

Below are exercises on subtraction of signed numbers. Part I and II are exercises for subtraction of integers, while part III is an extension to fractions and decimals. Solutions and answers can be found here. Part I 1. 8 – (-7) 2. -4 – (-10) 3. -6 – 8 4. 0 – (-5) 5. -17 –… Read More »

Addition of Integers Exercises – Set 1

Below are exercises on addition of signed numbers. Part I and II are exercises for addition of integers, while part III is an extension to fractions and decimals. Solutions and answers will be can be found here. Part I 1. -7 + 13 2. (-8) + (-9) 3. 5 + (-18) 4. 34 + (-38)… Read More »

Week 11 Review: Practice Exercises and Problems

After learning about work problems, let’s solve the following exercises. Solutions and answers will be posted soon. Week 11 Review: Practice Exercises and Problems 1.) Aria can do a job in 7 days. What part of the job is finished after she worked for 3 days? 2.) Katya can do a job in 5 days.… Read More »

Week 9 Review: Answers and Solutions

Below are the solutions to the exercises and problems about age problems. Exercises 1.) Leah is 3 years older than Lanie. The sum of their ages is 29. What are their ages? Let x = Lanie’s age x + 3 = Leah’s age The sum of their ages is 29. x + (x + 3)… Read More »

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