Proportions Ratios

What is a ratio?

• A comparison of one number

• A comparison of two units

• The difference between two items

What is the ratio of strawberries to the total if there are 20 strawberries and 35 grapes?

• 20:35

• 35:20

• 20:55

If there are 2 cats and 5 dogs what is the ratio of cats to dogs?

• 2:5

• 5:2

• 10:1

A comparison of two quantities using the word to, for every/each, or a colon :.

• Ratio

• Rate

• Quantity

• Scale Factor

An equation stating that two ratios are equal.

• Proportion

• Congruent

• Unit RAte

• Scale FActor

A comparison of two numbers by division.

• Rate

• Unit Rate

• Ratio

• Corresponding Sides

Ratios that have the same value.

• Scale Factor

• Equivalent Ratio

• Corresponding Sides

• Rate

A table that represents equivalent ratios and proportions

• Ratio Table

• Scale Factor

• Quantities

• Unit Rate

A rate where the comparison is to one unit

• Equivalent Ratios

• Rate

• Unit Rate

• Scale Factor

A ratio of two quantities measured in different units.

• Equivalent Ratios

• Rate

• Corresponding Sides

• Unit Rate