Mental Math Percent of a Number

What is 15% of 80?

• 8

• 12

• 16

• 20

What is 75% of 80?

• 16

• 20

• 60

• 120

What is 30% of 80?

• 8

• 16

• 20

• 24

What is 20% of 60?

• 3

• 6

• 12

• 30

What is 10% of 50?

• 5

• 10

• 15

• 20

If 40% of a number is 20, what is 80% of that number?

• 30

• 40

• 50

• 60

What percentage of 60 is 15?

• 15%

• 25%

• 50%

• 75%

What is 10% of $200.00?

• 20.00

• 2.

• .2

• .02

The graph shows the number of baseball cards Jimmy had in his collection on May 1 and on June 1. What was the percent increase in the number of cards from May 1 to June 1?

• 25%

• 20%

• 21%

• 30%

What is 10% of $103.50?

• 10.00

• 10.35

• 1.35

• .35