# Week 7 Review: Practice Exercises and Problems

Now that we have learned how to operate with decimals and percents and how to convert from one representation to another, let’s have some exercises.

Exercise 1

a.) 1.2 + 3.02 + 4.003

b.) 1.05 + 0.006 + 4.501

c.) 12.1 – 4.25

d.) 11.8 – 2.005

e.) 12.1 – 21.53 + 2.563

Exercise 2

a.) 3 × 0.41

b.) 0.02 × 0.56

c.) 5.1 × 0.45

d.) 5.8 × 4.25

e.) 2.8 × 3.2 × 0.6

Exercise 3

a.) 3 ÷ 0.2

b.) 5.1 ÷ 0.3

c.) 6.4 ÷ 4

d.) 8.1 ÷ 0.009

e.) 0.125 ÷ 0.25

Problems

1.) Convert 0.25 to fraction.

2.) Convert 1/8 to decimal.

3.) Convert 3/4 to percent.

4.) Convert 35% to fraction.

5.) Convert 20% to decimal.

Enjoy your review!