Mental Math Percents

Front

What is 20% of 12? (Hint: Find 10%, then double it.)

Back

2.4

Front

What is 10% of 16?

Back

1.6

Front

What is 60% of 40? (Hint: Find 50% and 10% and add them.)

Back

24

Front

What is 110% of 64? (Hint: Find 10% and 100% and add them.)

Back

70.4

Front

What is 100% of 87?

Back

87

Front

How do you find 10% of a number?

Back

Divide the number by 10.

Front

What is the formula to find a percentage of a number?

Back

(Percentage / 100) * Number.

Front

What is 50% of 80?

Back

40

Front

What is 25% of 200?

Back

50

Front

What is 75% of 60? (Hint: Find 50% and 25% and add them.)

Back

45