Mathematics Quiz: Converting and Finding Percents & Percentages

Convert 25% to a decimal.

• 0.25

• 1.5

• 0.75

• 0.5

Convert 60% to a decimal.

• 0.75

• 0.06

• 0.60

• 0.40

What is the decimal equivalent of 3/4?

• 0.5

• 0.25

• 1.25

• 0.75

The book I wanted cost $20, but it was on sale! I could purchase it for $5 off.

What is the rate of discount for this sale?

• $15

• $5

• 25%

Find 30% less than 140

• 98

• 42

• 18,200

Answer explanation

less than means subtract 30% from 100% first = 100% - 30% = 70%

then change 70% to a decimal (divide by 100 - move the decimal 2 places left). = 0.70

Multiply 0.7 X 140 = 98

What is the decimal equivalent of 2/5?

• 0.4

• 0.6

• 0.3

• 0.5

• 0.8

• 7.8

• 0.078

• 7.8%

Find 25% more than 50

• 12.5

• 62.5

• 6,250

Answer explanation

more than means add 25% to 100% = 125%

then change the percent to a decimal by dividing by 100 (move decimal 2 places left)

so 125% = 1.25

Now complete 1.25 X 50 = 62.5

15 is what % of 50?

• 0.3

• 3.33%

• 30%

Convert 0.6 to a percent

• 6%

• 0.06%

• 0.6%

• 60%