Use rates to solve word problems. For example, Charlie can type 675 words in 9 minutes. How many words can Charlie type in 13 minutes?

Example problem: Three different stores are offering a deal on pencils. Which store has the lowest price per pencil?

Practice writing percents as fractions and fractions as percents. For example, convert 30% to a simplified fraction.

Practice expressing a decimal like 0.546 as a percent.

Find a percent of a quantity as a rate per 100; solve problems involving finding the whole, given a part and the percent.

Practice solving word problems involving percents.