1.12 Addition and subtraction of integers
Use the plotted point on the number line to add the following integers:
5 + 9
- 3 + 6
- 6 + 3
- 7 + 7
3 + 9 + 7
- 8 + 6 + 9
- 7 + 7 + 4
- 10 + 5 + 12
Evaluate:
14 + 7
- 7 + 15
- 15 + 6
- 15 + 15
- 9 + 0
- 39 + 97
- 26 + 15
- 45 + 45
Evaluate:
- 13 + 8 + 2
- 24 + 10 + 54
- 21 + 0 + 21
- 88 + 28 + 92
43 + 14 + 16
-47 + 10 + 30
- 15 + 65 + 44
-151 + 27 + 99
Which sum has a smaller answer, -27 + 38 or 9 + 3?
Use the plotted point on the number line to subtract the following integers:
8 - 5
7 - 9
3 - 3
- 9 - 9
- 2 + 7 - 4
10 - 7 - 2
14 - 18 + 1
- 1 - 15 - 3
Which subtraction has a greater answer, -6 - 7 or 12-24?
Evaluate:
12 - 3
9 - 13
11 - 11
- 13 - 13
- 32 - 41
36 - 53
101 - 54
- 97-87
Evaluate:
- 9 - 5 - 8
- 12 - 3 + 16
27 - 19 -10
0 - 11 + 36
- 7 - 8 - 15
14 - 49 + 35
56 - 21 - 40
-11 - 78 +41
Evaluate:
7 + \left( - 5 \right)
- 7 + \left( - 8 \right)
2 - \left( - 3 \right)
- 3 - \left( - 9 \right)
- 12 - \left( - 12 \right)
17 + \left( - 14 \right)
29 - \left( - 52 \right)
- 30 - \left( - 32 \right)
Evaluate:
12 + 17 + \left( - 15 \right)
- 12 + 16 + \left( - 18 \right)
17 - 27 + \left( - 17 \right)
- 5 + \left( - 2 \right) + \left( - 7 \right)
- 9 - 2 - \left( - 8 \right)
- 5 - \left( - 2 \right) - \left( - 10 \right)
- 17 + 23 + \left( - 20 \right)
34 - 63 - \left( - 34 \right)