Percentages Review!

Front

What is the formula to calculate simple interest?

Back

Simple Interest = Principal × Rate × Time

Front

How do you convert a percentage to a decimal?

Back

Divide the percentage by 100.

Front

What is 5% of 200?

Back

10

Front

What is the formula to calculate percent error?

Back

Percent Error = |(Measured Value - Actual Value) / Actual Value| × 100

Front

What is 25% as a decimal?

Back

0.25

Front

How do you find a percentage of a number?

Back

Multiply the number by the percentage (as a decimal).

Front

What is 10% of 50?

Back

5

Front

Convert 75% to a decimal.

Back

0.75

Front

What is the interest earned on a principal of $1000 at a rate of 4% for 3 years?

Back

$120

Front

What is 60% of 150?

Back

90