Change to multiplication and use the opposite of the second number.
Change to addition and use the opposite of the second number.
Find the opposite of both numbers and then add.
Subtract like normal and keep the larger sign.
2. Multiple Choice
5 minutes
1 pt
How would -9 -(-5) look like as an addition problem?
-9 + (-5)
9 + 5
-9 + 5
9 + (-5)
3. Multiple Choice
3 minutes
1 pt
What would 12 - 20 look like as a addition problem?
12 + (-20)
-12 + (-20)
12 + 20
-12 + 20
4. Multiple Choice
5 minutes
1 pt
5 - 2
7
3
-3
-7
5. Multiple Choice
5 minutes
1 pt
-3 - 2
-1
-5
1
6
6. Multiple Choice
5 minutes
1 pt
-7 - 2
-9
9
5
-5
7. Multiple Choice
5 minutes
1 pt
19 - (-19)
0
36
26
38
8. Multiple Choice
5 minutes
1 pt
-7 - (-7)
14
0
-14
1
9. Multiple Choice
15 minutes
1 pt
The temperature on a cold winter day starts out at 10 degrees, but it drops rapidly 24 degrees due to a strong cold front moving in. What is the current temperature?
14
34
-14
-34
10. Multiple Choice
15 minutes
1 pt
I had $-25 in my account. I deposited $70 into my account. How much money do I have now?
$105
$-45
$45
-$105
11. Multiple Choice
15 minutes
1 pt
The football team gained 8 yards on the first play. Lost 6 yards on the next. Gained 3 yards on the third play and lost 12 yards on their final play. What was their final change in yardage after the four plays?
7
-7
29
-13
12. Multiple Choice
15 minutes
1 pt
During the week Jimmy spent $45 eating out, gained $55 mowing lawns and spent $15 on gas. What was Jimmy's change in dollars at the end of the week?