Printable negative number subtraction worksheet for a 10-minute math challenge.

Problem Description:

The task involves solving a series of arithmetic problems involving negative numbers. The goal is to compute the results of each operation quickly and accurately.

Solution Approach:

1. Understand the Operations: The operations include addition, subtraction, multiplication, and division.
2. Apply Rules for Negative Numbers:
- Adding two negative numbers results in a negative sum.
- Subtracting a negative number is equivalent to adding a positive number.
- Multiplying or dividing two negative numbers results in a positive product or quotient.
- Multiplying or dividing a positive and a negative number results in a negative product or quotient.
3. Solve Each Problem Step-by-Step: Compute each result carefully, ensuring the correct application of rules for negative numbers.

Detailed Solutions:

#### Section 1: Basic Operations
1. \( 3 \times (-4) = -12 \)
2. \( 2 \times (-6) = -12 \)
3. \( 3 \div (-8) = -\frac{3}{8} \)
4. \( 7 \times (-3) = -21 \)
5. \( -6 \times 4 = -24 \)
6. \( -2 \times 2 = -4 \)
7. \( 7 \times (-9) = -63 \)
8. \( -4 \times 5 = -20 \)
9. \( -8 \times (-6) = 48 \)
10. \( -11 \times 7 = -77 \)
11. \( 12 \times (-3) = -36 \)
12. \( -3 \times 8 = -24 \)
13. \( -10 \times (-2) = 20 \)
14. \( -9 \times 4 = -36 \)
15. \( 12 \times 12 = 144 \)
16. \( 8 \div (-2) = -4 \)
17. \( -12 \div 6 = -2 \)
18. \( -15 \div 3 = -5 \)
19. \( 9 \div 3 = 3 \)
20. \( 18 \div (-3) = -6 \)
21. \( 27 \div 9 = 3 \)
22. \( -32 \div 4 = -8 \)
23. \( 24 \div (-6) = -4 \)
24. \( -48 \div 12 = -4 \)
25. \( 56 \div (-8) = -7 \)
26. \( 25 \div 5 = 5 \)
27. \( -42 \div 7 = -6 \)
28. \( 72 \div 6 = 12 \)
29. \( -48 \div (-12) = 4 \)
30. \( 16 \div 4 = 4 \)
31. \( 2 \div (-5) = -\frac{2}{5} \)
32. \( -6 \div 8 = -\frac{3}{4} \)
33. \( 4 \div (-7) = -\frac{4}{7} \)

#### Section 2: Mixed Operations
34. \( 34 + (-1) = 33 \)
35. \( 35 - (-2) = 37 \)
36. \( 68 - 12 + 3 = 59 \)
37. \( 95 + (-5) = 90 \)
38. \( 21 - 26 = -5 \)
39. \( 18 + 7 = 25 \)
40. \( 3 + 2 = 5 \)
41. \( 1 + 4 = 5 \)
42. \( 5 - 6 = -1 \)
43. \( 8 + 2 = 10 \)
44. \( 3 - 2 = 1 \)
45. \( 4 + 9 = 13 \)
46. \( -5 + 7 = 2 \)
47. \( -6 + 3 = -3 \)
48. \( 18 - 13 = 5 \)
49. \( -3 - 7 = -10 \)
50. \( 18 + 2 = 20 \)
51. \( 5 \times 4 = 20 \)
52. \( 5 \times 6 = 30 \)
53. \( 3 \times 8 = 24 \)
54. \( 9 - 2 = 7 \)
55. \( 7 \times 4 = 28 \)
56. \( 1 \times 8 = 8 \)
57. \( 8 \times 9 = 72 \)
58. \( 4 \times 4 = 16 \)
59. \( 12 \times 6 = 72 \)
60. \( 11 \times 8 = 88 \)
61. \( 12 \times 4 = 48 \)
62. \( 8 \times 6 = 48 \)
63. \( 8 \times 2 = 16 \)
64. \( 9 \times 4 = 36 \)
65. \( 11 \times 11 = 121 \)
66. \( 9 \times 1 = 9 \)

#### Final Results
The solutions are computed step-by-step, ensuring accuracy for each operation. The final answers are as follows:

\[
\boxed{
\begin{array}{ll}
1. & -12 \\
2. & -12 \\
3. & -\frac{3}{8} \\
4. & -21 \\
5. & -24 \\
6. & -4 \\
7. & -63 \\
8. & -20 \\
9. & 48 \\
10. & -77 \\
11. & -36 \\
12. & -24 \\
13. & 20 \\
14. & -36 \\
15. & 144 \\
16. & -4 \\
17. & -2 \\
18. & -5 \\
19. & 3 \\
20. & -6 \\
21. & 3 \\
22. & -8 \\
23. & -4 \\
24. & -4 \\
25. & -7 \\
26. & 5 \\
27. & -6 \\
28. & 12 \\
29. & 4 \\
30. & 4 \\
31. & -\frac{2}{5} \\
32. & -\frac{3}{4} \\
33. & -\frac{4}{7} \\
34. & 33 \\
35. & 37 \\
36. & 59 \\
37. & 90 \\
38. & -5 \\
39. & 25 \\
40. & 5 \\
41. & 5 \\
42. & -1 \\
43. & 10 \\
44. & 1 \\
45. & 13 \\
46. & 2 \\
47. & -3 \\
48. & 5 \\
49. & -10 \\
50. & 20 \\
51. & 20 \\
52. & 30 \\
53. & 24 \\
54. & 7 \\
55. & 28 \\
56. & 8 \\
57. & 72 \\
58. & 16 \\
59. & 72 \\
60. & 88 \\
61. & 48 \\
62. & 48 \\
63. & 16 \\
64. & 36 \\
65. & 121 \\
66. & 9 \\
\end{array}
}
\]

Each step is verified to ensure correctness, and the final boxed answers are provided above.