Understanding Percentages Without a Calculator

What is the common tool people use to calculate percentages?

• A protractor

• A compass

• A calculator

• A ruler

How can 15% be broken down to simplify calculations?

• Into 12% and 3%

• Into 7% and 8%

• Into 5% and 10%

• Into 20% and -5%

What is 10% of 40?

• 8

• 2

• 4

• 6

If 10% of a number is 4, what is 5% of the same number?

• 3

• 1

• 2

• 4

What is the final result of calculating 15% of 40 using the breakdown method?

• 8

• 7

• 5

• 6