Name:    Try It Out -- Chapter 12, Lesson 10

Numeric Response

1.

The grid above shows 0.71 + 0.27.
What is the sum?

2.

The grid above shows 0.33 - 0.05.
What is the difference?

3.

0.87 + 0.11 = ____.

4.

0.34 + 0.45 = ____.

5.

0.23 + 0.58 = ____.

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.

Study the 100 grid. It starts with 1.00. 0.09 is subtracted over and over using different colour blocks each time. The red boxes represent the equation 1.00 - 0.09.

6.

What is the difference?
1.00 - 0.09 = ___.
 a. 0.92 b. 0.91 c. 0.90 d. 0.93

7.

Which colour boxes in the 100 grid does the equation 0.91- 0.09 represent?
 a. red b. dark green c. dark blue d. yellow

8.

What is the difference?
0.91 - 0.09 = ___.
 a. 1.00 b. 0.99 c. 0.89 d. 0.82

9.

Which colour boxes in the 100 grid does the equation 0.73 - 0.09 represent?
 a. light blue b. dark green c. yellow d. dark blue

10.

What is the difference?
0.73 - 0.09 = ___.
 a. 0.64 b. 0.82 c. 0.91 d. 1.00