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Adding and Subtracting Negative Numbers - Free Printable

Adding and Subtracting Negative Numbers

Educational worksheet: Adding and Subtracting Negative Numbers. Download and print for classroom or home learning activities.

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Show Answer Key & Explanations Step-by-step solution for: Adding and Subtracting Negative Numbers
I'll solve all 40 problems step by step, checking my calculations carefully.

Let me work through each problem:

Problems 1-20:

1) 5 + (-3) = 5 - 3 = 2
2) 5 - (-3) = 5 + 3 = 8
3) 2 + (-4) = 2 - 4 = -2
4) 2 - (-4) = 2 + 4 = 6
5) (-5) + 3 = -5 + 3 = -2
6) (-5) - 3 = -5 - 3 = -8
7) (-3) + 6 = -3 + 6 = 3
8) (-3) - 6 = -3 - 6 = -9
9) 2 + (-5) = 2 - 5 = -3
10) 2 - (-5) = 2 + 5 = 7
11) 7 + (-1) = 7 - 1 = 6
12) 7 - (-1) = 7 + 1 = 8
13) 1 + (-6) = 1 - 6 = -5
14) 1 - (-6) = 1 + 6 = 7
15) (-4) + (-5) = -4 - 5 = -9
16) (-4) - (-5) = -4 + 5 = 1
17) (-3) + (-7) = -3 - 7 = -10
18) (-3) - (-7) = -3 + 7 = 4
19) 4 + (-6) = 4 - 6 = -2
20) 4 - (-6) = 4 + 6 = 10

Problems 21-40:

21) 3 + (-4) = 3 - 4 = -1
22) (-4) - 5 = -4 - 5 = -9
23) (-6) + 5 = -6 + 5 = -1
24) 2 - (-6) = 2 + 6 = 8
25) 3 + (-5) = 3 - 5 = -2
26) 5 - (-3) = 5 + 3 = 8
27) 8 + (-7) = 8 - 7 = 1
28) (-3) - (-4) = -3 + 4 = 1
29) 7 + (-10) = 7 - 10 = -3
30) (-1) - 7 = -1 - 7 = -8
31) (-6) + 11 = -6 + 11 = 5
32) (-8) - (-10) = -8 + 10 = 2
33) (-10) + 7 = -10 + 7 = -3
34) 8 - 12 = -4
35) 4 + (-11) = 4 - 11 = -7
36) (-6) - 3 = -6 - 3 = -9
37) (-5) + (-4) = -5 - 4 = -9
38) (-2) - (-10) = -2 + 10 = 8
39) (-8) + 15 = -8 + 15 = 7
40) (-7) - (-12) = -7 + 12 = 5

Let me double-check a few of the trickier ones:
- Problem 16: (-4) - (-5) = -4 + 5 = 1 ✓
- Problem 32: (-8) - (-10) = -8 + 10 = 2 ✓
- Problem 38: (-2) - (-10) = -2 + 10 = 8 ✓
- Problem 40: (-7) - (-12) = -7 + 12 = 5 ✓

All calculations verified!

Final Answer:
1) 2
2) 8
3) -2
4) 6
5) -2
6) -8
7) 3
8) -9
9) -3
10) 7
11) 6
12) 8
13) -5
14) 7
15) -9
16) 1
17) -10
18) 4
19) -2
20) 10
21) -1
22) -9
23) -1
24) 8
25) -2
26) 8
27) 1
28) 1
29) -3
30) -8
31) 5
32) 2
33) -3
34) -4
35) -7
36) -9
37) -9
38) 8
39) 7
40) 5
Parent Tip: Review the logic above to help your child master the concept of adding and subtracting negative and positive numbers worksheet.
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