Percentages of Amounts

To find 10% of an amount...

• ...divide the amount by 10

• ...divide the amount by 2

• ...multiply the amount of 10

• ...divide the amount by 100

What is 10% of $40?

• $4

• $8

• $2

• $1

What is 30% of 60 km?

• 18 km

• 6 km

• 12 km

• 20 km

What is 20% of 80 cm?

Remember your units!

What is 10% of 18 m?

• 1.8 m

• 180 m

• 2 m

• 0.18 m

What is 40% of 25 ml?

What is 5% of 20 g?

• 1

• 2

• 3

• 4

What is 15% of 80 mm?