Ratio tables and double number lines worksheet

Grade 6 math, Common Core 6.RP.A.3a. 10 problems with an answer key and worked steps. Free to print, and you can make new problems any time.

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Ratio tables and double number lines

Grade 6 math, Common Core 6.RP.A.3a

Use the ratio to find the missing values.

1.
A recipe uses 5 cups of flour for every 2 eggs. Mei uses 8 eggs. How many cups of flour are needed?
2.
A recipe uses 4 cups of flour for every 7 eggs. Maya uses 42 eggs. How many cups of flour are needed?
3.
Complete the ratio table.
Pages read 7 35 56 ?
Minutes 1 5 ? 10
4.
Complete the ratio table.
Hours 5 10 ? 20
Miles 6 12 18 ?
5.
A recipe uses 5 cups of flour for every 7 eggs. Ravi uses 28 eggs. How many cups of flour are needed?
6.
Complete the ratio table.
Pages read 7 ? 42 56
Minutes 3 9 ? 24
7.
Complete the ratio table.
Pages read 7 ? 56 70
Minutes 4 16 ? 40
8.
Complete the ratio table.
Cans of paint 3 12 ? 24
Square feet painted 4 ? 24 32
9.
Complete the ratio table.
Cups of flour 2 6 10 ?
Cookies 9 ? 45 72
10.
Complete the ratio table.
Laps 9 18 ? 90
Meters 4 8 20 ?

Pages read	7	35	56	?
Minutes	1	5	?	10

Hours	5	10	?	20
Miles	6	12	18	?

Pages read	7	?	42	56
Minutes	3	9	?	24

Pages read	7	?	56	70
Minutes	4	16	?	40

Cans of paint	3	12	?	24
Square feet painted	4	?	24	32

Cups of flour	2	6	10	?
Cookies	9	?	45	72

Laps	9	18	?	90
Meters	4	8	20	?

Answer key: Ratio tables and double number lines

Grade 6 math. Each answer has a few worked steps, to help check the method as well as the answer.

1. 20 cups
2 × 4 = 8, so multiply the flour by 4 too5 × 4 = 20 cups
2. 24 cups
7 × 6 = 42, so multiply the flour by 6 too4 × 6 = 24 cups
3. Minutes: 8; Pages read: 70
The ratio is 7:1. Multiply both rows by the same number in each column.
4. Hours: 15; Miles: 24
The ratio is 5:6. Multiply both rows by the same number in each column.
5. 20 cups
7 × 4 = 28, so multiply the flour by 4 too5 × 4 = 20 cups
6. Pages read: 21; Minutes: 18
The ratio is 7:3. Multiply both rows by the same number in each column.
7. Pages read: 28; Minutes: 32
The ratio is 7:4. Multiply both rows by the same number in each column.
8. Square feet painted: 16; Cans of paint: 18
The ratio is 3:4. Multiply both rows by the same number in each column.
9. Cookies: 27; Cups of flour: 16
The ratio is 2:9. Multiply both rows by the same number in each column.
10. Laps: 45; Meters: 40
The ratio is 9:4. Multiply both rows by the same number in each column.

The answer key prints on its own page. You’re welcome to print and copy these worksheets for your own kids or class.

About ratio tables and double number lines

A ratio table lists equivalent ratios side by side. Each column is the first column multiplied by the same number, so you can find a missing value by working out what the column was multiplied by. A double number line shows the same idea on two lined-up number lines.

Worked example 1

A recipe uses 5 cups of flour for every 2 eggs. Ava uses 16 eggs. How many cups of flour are needed?

Step 1.2 × 8 = 16, so multiply the flour by 8 too
Step 2.5 × 8 = 40 cups

Answer: 40 cups

Watch out for

Find the multiplier first: if 2 became 8, everything in that column was multiplied by 4.
You can also add columns: the 2 column plus the 3 column gives the 5 column.
Check that every column simplifies to the same ratio.

Practice ratio tables and double number lines online

On StudyWiz, your kid can practice ratio tables and double number lines with 5-question quizzes that are checked as they go, with an explanation for every answer. When a homework problem is the trouble, Wiz gives a hint for each step instead of the answer.

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