Grade 6 · Math

Grade 6 Math — Ratios questions and answers

Part-to-part and part-to-whole ratios. Written in American English for students, parents, and teachers in the United States.

Practice quiz

Open a card to see the answer. These are original practice items for US elementary students — not a state test copy.

1. A ratio compares

Answer: two quantities

Ratios can be part-to-part or part-to-whole.

2. The ratio 3:4 can also be written

Answer: 3/4

A colon and a fraction can show the same ratio.

3. If a class has 2 teachers and 24 students, the teacher-to-student ratio is

Answer: 1:12

Simplify 2:24 by dividing by 2.

4. A recipe uses 2 cups flour to 1 cup sugar. For 4 cups flour you need

Answer: 2 cups sugar

The ratio 2:1 stays the same.

5. Equivalent ratios to 2:5 include

Answer: 4:10

Multiply both parts by the same number.

6. A map scale of 1 inch : 50 miles means 3 inches represent

Answer: 150 miles

3 × 50 = 150.

7. In 8 red marbles and 12 blue, the red-to-blue ratio simplified is

Answer: 2:3

Divide both by 4.

8. A unit rate is a ratio with

Answer: a denominator of 1

Miles per hour is a unit rate.