In the previous post, we learned about operations on integers, order of operations, and PEMDAS rules. Below are the exercises and problems about these topics.

PCSR WEEK 5 Review: Operations on Integers

Practice Exercises 1

a.) 12 + (-4)

b.) (-9) + 3

c.) (-7) + (- 5)

d.) 8 + 3 + (-11)

e.) 6 + (-10) + (-2)

Practice Exercises 2

a.) 3 – 5

b.) -9 – 4

c.) (-7) – (- 8)

d.) – 2 – 6

e.) 1 – (-10)

Practice Exercises 3

a.) 4 × (- 5)

b.) (-2) × (- 4)

c.) (6) × (- 3)

d.) 8 × 2 × (-1)

e.) (-3) × (2) × (-7)

Practice Exercises 4

a.)-20 ÷ 4

b.) 18 ÷ (- 6)

c.) (-16) ÷ (- 2)

d.) 0 ÷ 8

e.) 9 ÷ 3

Practice Problems

1.) 2 + 3 × 5

2.) (2 + 3) × 5

3.) 3 x (-3) + 4 ×(-2)

4.)

5.)

6.) 16 + (-4) + 12 + (-8 × 3)

7.)

8.) 6 + 3 × 2 – 5

9.) 8 – 12(3 – 4) + (-5 × 2)

10.) 7 + 3 × (-5) – 9 / 3