Understanding Percentages and Fractions

This lesson covers the relationship between fractions and percents, explaining how a percent is a ratio comparing a number to 100. It demonstrates using grids and bar models to visualize percentages and explains how to calculate percentages using fractions and decimals. The lesson also covers finding percent equivalents for fractions and introduces using benchmarks and proportional reasoning.

What does 25% represent as a fraction?

• 1/2

• 1/5

• 1/4

• 1/3

What is the greatest common factor used to simplify 25/100?

• 25

• 15

• 10

• 5

If half of a percent bar model is shaded, what percent does it represent?

• 50%

• 100%

• 25%

• 75%

What is the result of dividing 100 by 2 in the context of percents?

• 25%

• 75%

• 100%

• 50%

How is one-third of 100% expressed as a decimal?

• 0.3333

• 0.333...

• 0.3

• 0.33

What is the remainder when 100 is divided by 3?

• 1

• 2

• 3

• 0

What is the percent equivalent of three-fifths?

• 50%

• 40%

• 60%

• 70%

How can you find the percent equivalent of one-fifth?

• Divide by 5

• Divide by 20

• Multiply by 100

• Multiply by 20

What is the percent equivalent of two-fifths?

• 40%

• 50%

• 30%

• 20%

What is a benchmark in the context of percents?

• A multiplication factor

• A decimal point

• A type of fraction

• A point of reference