Percent Increase Decrease and Multiplier

What multiplier represents a 10% increase

• 110%

• 10%

• 1.10

• 1.1

Write down the multiplier used to calculate a 15% increase.

• 15

• 1.5

• 1.15

• 1.015

What multiplier represents a 32.4% increase? (pick 2)

• 32.4%

• 1324%

• 1.324%

• 1.324

• 132.4%

What multiplier represents a 10% decrease?

• 10%

• 90%

• 110%

• 1.10

50% increase to 200

• 300

• 400

• 800

• 500

60% decrease to 42

• 10

• 18.2

• 16.8

• 20.5

What multiplier represents a 30% decrease?

• 30%

• 70%

• 170%

• 0.3

Write down the multiplier used to calculate a 45% decrease.

• 0.45

• 0.55

• 45

• 55

Write down the multiplier used to calculate a 8% decrease.

• 0.8

• 0.08

• 9.2

• 0.92

Decrease £220 by 20%.

• £170

• £176

• £200

• £44