Review Percent: Tape Diagrams & Double Number Line

Front

What is the formula to calculate percentage increase?

Back

Percentage Increase = ((New Value - Old Value) / Old Value) * 100

Front

If gas was $2.50 and increased to $3.50, what is the percentage increase?

Back

40%

Front

What is 5% expressed as a decimal?

Back

0.05

Front

What does a tape diagram represent in mathematics?

Back

A tape diagram visually represents ratios and relationships between quantities.

Front

What is the equation for a tape diagram that shows a quantity increased by 25%?

Back

Front

How do you convert a percentage to a decimal?

Back

Divide the percentage by 100.

Front

What is the decimal equivalent of 20%?

Back

0.20

Front

Back

Front

What is the equation for a tape diagram that shows a quantity decreased by 25%?

Back

Front

How do you find the original price if you know the sale price and the percentage discount?

Back

Original Price = Sale Price / (1 - Discount Percentage)