Ratio Language
Equivalent Ratios
Double Number Lines
Tables & Ratios
Problem Solving
100

This word describes the association between two quantities, like 3 pencils to 2 erasers.

What is a "ratio"?

100

These are ratios that represent the same relationshipe, like 2:3 and 4:6.

What are "equivalent ratios"?

100

This representation uses two parallel number lines to show equivalent ratios. 

What is a "double number line diagram"?

100

This organizes information into horizontal and vertical columns to show equivalent ratios. 

What is 'a table"?

100

This type of diagram uses rectangular bars to represent parts and wholes in ratio problems.

What is a "tape diagram"?

200

The phrase means "for each one" and is used to describe rates.

What is "per"?

200

To make equivalent ratios from 3:5, you do this mathematical operation to both numbers.

What is 'multiply both 3 and 5 by the same number"?

200

These marks on a double number line diagram show where equivalent ratios occur. 

What are 'tick marks"?

200

This is the cost per item when 5 items cost $15

What is "$3 per item"?

200

In a bag there are red and blue marbles in a ratio of 2:3. If there are 15 blue marbles, this is the number of red marbles.

What are "10 marbles"?

300

If there are 12 red marbles and 8 blue marbles, this is the ratio of red marbles to blue marbles.

What is "12 to 8" or "12:8"

300

A paint mixture uses 2 parts blue and 3 parts yellow. To make a larger batch with 12 part blue, you need this many parts yellow. 

What is "18 parts yellow"?

300

I apples cost $2 for 3 pounds, this is the cost of 9 pounds using a double number line. 

What is "$6"?

300

A table show that 6 hours of work earns $84. This is the amount earned in 10 hours at the same rate. 

What is "$140"?

300

A recipe serves 8 people and uses 3 cups of rice. To serve 20 people this amount of rice is needed.

What is "7 1/2 cups of rice"?

400

In a classroom with 15 students and 3 teachers, this phrase describes the ration using the word "per".

What is "5 students per teacher"?

400

If a recipe for 4 servings uses 6 cups of broth, this is how many cups of broth are needed for 10 servings. (Suggest using a number line.)

What is "15 cups"?

400

A car travels 120 miles in 3 hours. Using a double number line, this is how far it travels in 5 hours. 

What is "200 miles"?

400

A runner maintains a constant speed and runs 8 miles in 64 minutes. This is their speed in miles per minute.

What is "1/8 mile per minute"?

400

A school has teachers and students in a 1:25 ratio. If there are 450 students, this is the total number of people in the school.

What is "468 people"?

500

A recipe calls for 6 cups of flour and 4 cups of sugar. this is how you would express this relationship using complete ratio language.

What is "For every 6 cups of flour there are 4 cups of sugar"?

500

Three ratios that are equivalent to 8:12.

What are "2:3, 4:6 and 16:24"? Other equivalent ratios are acceptable.

500

On a double number line showing 4 gallons of paint covers 1,000 square feet, this is how many gallons are needed for 2,500 feet.

What is "10 gallons"?

500

Store A sells 3 pounds of apples for $6. Store B sells 5 pounds for $9. This store has the better unit price

What is "Store B"?

500

Two different trail mixes: Mix A has 3 cups nuts to 2 cups dried fruit. Mix B has 5 cups nuts to 3 cups dried fruit. This mix has a higher ratio of nuts to dried fruit.

What is "Mix B"?