# CBSE Class 7 Mathematics/Important Practice Problems/Chapter1: Integers

Welcome to our class 7 Mathematics blog! Today, we’ll explore integers, which include positive numbers,
negative numbers and zero. You will learn about their properties, basic operations and practical uses.

1. Additive inverse of -15 is ——–
2. Fill in the blanks for (-85) + 50 —— 85 + (-50)
3. Find the product of (-2) x (-6) x (-1)
4. Write down a pair of negative integers whose sum is -9.
5. Write down a pair of integers whose sum is zero.
6. Write down a pair of negative integers whose difference gives 6.
Answer: (-8) – (-14) = (-8) + 14 = 6
7. Write down a negative integer and a positive integer whose difference is -5.
Answer: (-4) – (1) = (-4) + (-1) = -5
8. Fill in the blanks: (-43) + —- = -43
9. Fill in the blanks: 23 + — = 0
10. Find the value of (-25) x (-4)
11. Fill in the blanks to make the following statements true: (-4) + (-2) = (-2) + —
12. The number of integers between -3 and 3 is ——
Answer: -2, -1, 0, 1, 2
13. Sum of (-20) and (-10) is ———–
14. (-64) divided by 8 is ——
15. 7 added to (-7) is ——-