Review Chapter 1: Ratios and Rates 6th Grade

Chapter 1: Ratios and Rates

Review for Mid-Terms

Factors and Multiples

• Factors are Few

• Multiples are Many

• Factors are smaller

• Multiples are bigger

Ratios

• Remember ratios are comparing one thing to another

• They can be written as fractions, with the colon or with the word to

•  $\frac{2}{3}$  2:3 and 2 to 3 are all the same ratio

Ratio Tables

• Are just finding equivalen ratios in a table format

Graph Ratio Tables

• Use the value in the ratio table as your coordinate pair the first numbers are always x and the second numbers are always y

Equivalent Ratios

• Just like with fractions you will multiply or divide both terms of your ratio by the same number

Multiple Choice

16 points scored in 4 games: 48 points scored in 8 games

• Yes

• No

Multiple Choice

96 words types in 3 minutes; 160 words types in 5 minutes

• Yes

• No

Ratio and Rate Problems

• If 45 cookies will serve 15 students, how many cookies are needed for 30 students?

• The intial ratio is 45:15

• multiply to make the second term 30 (by 2)

• 90:30