1. Understanding Ratios
Let’s See what you know?
Number a paper from one
to 15 and find these
ratios.

2. Write the ratios.
1. Circles to squares
2. Circles to clouds
3. Clouds to circles
4. Circles to all figures
5. Clouds to all figures
6. All figures to squares
7. Squares to all figures

3. Answers
1. Circles to squares 7 to 5 7/5 part-to-part
2. Circles to clouds 7 to 3 7/3 part-to-part
3. Clouds to circles 3 to 7 3/7 part-to-part
4. Circles to all figures 7 to 15 7/15 part-to-whole
5. Clouds to all figures 3 to 15 (1 to 5 or 1/5)
part-to-whole
6. All figures to squares 15 to 5 ( 3 to 1 or 3/1)
whole-to-part
7. Squares to all figures 5 to 15 (1 to 3 or 1/3)
part-to-whole

4. Write the ratios.
The class has 30 students. Fourteen are girls.
8. Girls to boys
9. Boys to girls
10.Girls to all students
11.Boys to all students

5. Answers
The class has 30 students. Fourteen are girls.
8. Girls to boys 14:16 = 7 to 8 or 7/8
9. Boys to girls 16:14 = 8 to 7 or 8/7
10.Girls to all students 14:30 = 7 to 15 or 7/15
11.Boys to all students 16:30 = 8 to 15 or 8/15

6. Write the ratios.
12.Length to width
13.Width to length
12 in
3 in

7. Answers
12.Length to width 12 to 3 = 4 to 1 or 4/1
13.Width to length 3 to 12 = 1 to 4 or 1/4
12 in
3 in

8. Write the ratios.
Your dog is 24 inches long and 18 inches high.
14.Height to length
15.Length to height

9. Answers
Your dog is 24 inches long and 18 inches high.
14.Height to length 18:24 = 3 to 4 or 3/4
15.Length to height 24 to 18 = 4 to 3 or 4/3

10. Answers
Your dog is 24 inches long and 18 inches high.
14.Height to length 18:24 = 3 to 4 or 3/4
15.Length to height 24 to 18 = 4 to 3 or 4/3