Name:    Lesson 7 - Estimating Quantities

1.

A blue rectangle is drawn around 10 stars. Estimate the number of blue rectangles there are in this diagram.

 a. 10 b. 15 c. 20

2.

Use your estimate from question 1 to skip count to determine how many stars are in the picture.
 a. 150 b. 100 c. 200

3.

A red rectangle is drawn around 20 stars. Estimate the number of red rectangles there are in this diagram.

 a. 5 b. 7 c. 9

4.

Use your estimate from question 3 to estimate the number of stars in this diagram.
 a. 200 b. 300 c. 400

5.

A red rectangle is drawn around 4 pieces. Estimate the number of red rectangles there are in this diagram.

 a. 20 b. 30 c. 40

6.

Use your estimate from question 5 to estimate the number of pieces there are in the diagram.
 a. 100 b. 200 c. 300

7.

A brown rectangle is drawn around 25 hearts in this diagram. Estimate the number of brown rectangles in this diagram.

 a. 40 b. 30 c. 20

8.

Use your estimate from question 7 to estimate the number of hearts there are in the diagram.
 a. 400 b. 500 c. 600

9.

A red rectangle is drawn around 25 puzzle pieces. Estimate the number of red rectangles there are in this diagram.

 a. 12 b. 16 c. 18

10.

Use your estimate from question 9 to estimate the number of puzzle pieces there are in the diagram.
 a. 400 b. 300 c. 500