Practice using sign rules to multiply and divide positive and negative integers.
Read each problem carefully. Decide the sign first, then find the value when needed. Show your work in the space provided.
Practice deciding whether products and quotients are positive or negative
Math - Grade 6-8
- 1
Find the value of (-6)(4). Explain how you decided the sign.
- 2
Find the value of (-8)(-3). Explain how you decided the sign.
- 3
Find the value of 45 ÷ (-9). Explain how you decided the sign.
- 4
Find the value of (-56) ÷ (-7). Explain how you decided the sign.
- 5
Complete the sign chart for multiplication: positive times positive, positive times negative, negative times positive, and negative times negative.
- 6
Without multiplying first, decide whether (-12)(5)(-2) is positive or negative. Then find the value.
- 7
Without multiplying first, decide whether (-4)(-3)(-2) is positive or negative. Then find the value.
- 8
A submarine descends at a rate of 6 meters per minute. Write the rate as -6 meters per minute. How far has the submarine moved after 5 minutes? Use integer multiplication.
- 9
A quiz has a penalty of -2 points for each incorrect answer. If a student gets 7 answers incorrect, what is the total penalty?
- 10
A temperature changes by -24 degrees over 6 equal hours. What is the temperature change per hour? Use integer division.
- 11
Fill in the missing sign to make the equation true: (-9) ÷ (3) = 3 or -3. Explain your choice.
- 12
Choose the expression with a positive result: A. (-5)(6), B. 18 ÷ (-3), C. (-4)(-7), or D. (-20) ÷ 5. Explain your choice.