Percent Sandbox · Topic 2

Part A

Percent grid

Percent literally means out of 100. Drag the slider, or click any cell.

0 out of 100 = 0%

0255075100

Drag mode

Part B

Three shapes of every percent question. Pick one, change the inputs.

What is X% of Y?

X. the percent

Y. the base

step 120% = 20 / 100 = 0.20

step 20.20 × 50 = 10

= 10

X is what % of Y?

X. the part

Y. the base

step 112 / 50 = 0.24

step 20.24 × 100 = 24%

= 24%

X is Y% of what?

X. the part

Y. the percent

step 125% = 0.25

step 28 ÷ 0.25 = 32

= 32