Multiple Choice
Choose the
correct answer.
|
|
|
Select the subtraction question that each model represents.
|
|
|
1.
|
A. | (+5) - (+10) =
(+15) | C. | (+5) - (-10) =
(+15) | B. | (+5) - (-10) = (-15) | D. | (-5) - (-10) = (+15)
| | | | |
|
|
|
2.
|
A. | (-15) - (-10) =
(-25) | C. | (-15) - (+10) =
(+25) | B. | (-15) - (+10) = (-25) | D. | (+15) - (+10) = (-25)
| | | | |
|
|
|
3.
|
A. | (+15) - (+5) =
(+20) | C. | (+15) - (+5) =
(-20) | B. | (+15) - (-5) = (+20) | D. | (-15) - (-5) = (+20)
| | | | |
|
|
|
4.
|
A. | (+10) - (+20) =
(+30) | C. | (+10) - (-20) =
(-30) | B. | (-10) - (-20) = (+30) | D. | (+10) - (-20) = (+30) | | | | |
|
Numeric Response
|
|
|
Using a number line, calculate the difference.
|
|
|
5.
|
(-20)
- (-30) = ____
|
|
|
6.
|
(+20)
- (+30) = ____
|
|
|
7.
|
(-30)
- (+30) = ____
|
|
|
8.
|
(+75)
- (-10) = ____
|
|
|
9.
|
(+75)
- (+35) = ____
|
|
|
10.
|
(+65)
- (-40) = ____
|