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Printable math worksheet for practicing negative number operations in a timed challenge format.

Negative Numbers 10 Minute Challenge worksheet with 99 math problems involving addition, subtraction, multiplication, and division with negative numbers, designed for GCSE Foundation level practice.

Negative Numbers 10 Minute Challenge worksheet with 99 math problems involving addition, subtraction, multiplication, and division with negative numbers, designed for GCSE Foundation level practice.

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Show Answer Key & Explanations Step-by-step solution for: Negative Numbers 10 Minute Challenge Worksheet | Printable PDF ...
I'll solve all 99 problems step by step, checking my calculations carefully.

Let me work through each problem systematically:

Column 1 (Problems 1-33):

1) 3 × -4 = -12
2) -1 × 9 = -9
3) -5 × -8 = 40 (negative × negative = positive)
4) 7 × -3 = -21
5) -6 × 4 = -24
6) -2 × -2 = 4 (negative × negative = positive)
7) 7 × -9 = -63
8) -4 × 5 = -20
9) -8 × -6 = 48 (negative × negative = positive)
10) -11 × 7 = -77
11) 12 × -3 = -36
12) -6 × -9 = 54 (negative × negative = positive)
13) -10 × 12 = -120
14) -9 × 4 = -36
15) 12 × 12 = 144
16) 8 -2 = -4
17) -12 ÷ -6 = 2 (negative ÷ negative = positive)
18) -15 ÷ 3 = -5
19) 9 ÷ 3 = 3
20) -18 ÷ -3 = 6 (negative negative = positive)
21) -27 ÷ 9 = -3
22) -32 ÷ -4 = 8 (negative ÷ negative = positive)
23) 24 ÷ -6 = -4
24) -48 ÷ -12 = 4 (negative ÷ negative = positive)
25) 56 ÷ -8 = -7
26) 25 ÷ -5 = -5
27) -42 ÷ -7 = 6 (negative negative = positive)
28) 72 ÷ 6 = 12
29) -84 ÷ -12 = 7 (negative ÷ negative = positive)
30) -16 ÷ 4 = -4
31) -2 + 5 = 3
32) 6 - 8 = -2
33) 4 - 7 = -3

Column 2 (Problems 34-66):

34) -3 + 1 = -2
35) -5 - 2 = -7
36) 6 - 7 = -1
37) -9 + 5 = -4
38) 21 - 26 = -5
39) -18 + 7 = -11
40) 3 + -2 = 1
41) 1 - +4 = -3
42) 5 - -6 = 11 (subtracting a negative = adding)
43) 8 + -2 = 6
44) -3 - -2 = -1 (subtracting a negative = adding, so -3 + 2)
45) 12 + -9 = 3
46) -6 + -7 = -13
47) -4 - +3 = -7
48) 18 - -13 = 31 (subtracting a negative = adding)
49) -3 - -7 = 4 (subtracting a negative = adding, so -3 + 7)
50) -16 + -2 = -18
51) -5 × -4 = 20 (negative × negative = positive)
52) -1 × -8 = 8 (negative × negative = positive)
53) -3 × -5 = 15 (negative × negative = positive)
54) 9 × -2 = -18
55) -7 × 4 = -28
56) -1 × -1 = 1 (negative × negative = positive)
57) 8 × -9 = -72
58) -4 × 4 = -16
59) -12 × -6 = 72 (negative × negative = positive)
60) -11 × 8 = -88
61) 12 × -5 = -60
62) -8 × -6 = 48 (negative × negative = positive)
63) -7 × 6 = -42
64) -9 × 4 = -36
65) 11 × 11 = 121
66) 9 ÷ -1 = -9

Column 3 (Problems 67-99):

67) -33 -3 = 11 (negative ÷ negative = positive)
68) -12 ÷ 3 = -4
69) -18 ÷ -2 = 9 (negative ÷ negative = positive)
70) -18 -3 = 6 (negative negative = positive)
71) -54 ÷ 6 = -9
72) -35 ÷ -7 = 5 (negative ÷ negative = positive)
73) 36 -3 = -12
74) -49 ÷ -7 = 7 (negative ÷ negative = positive)
75) 66 ÷ -11 = -6
76) 27 ÷ -3 = -9
77) -40 ÷ -8 = 5 (negative ÷ negative = positive)
78) 90 ÷ 3 = 30
79) -40 ÷ -2 = 20 (negative ÷ negative = positive)
80) -130 ÷ 10 = -13
81) -10 + 30 = 20
82) 30 - 90 = -60
83) 40 - 50 = -10
84) -85 + 5 = -80
85) -70 - 10 = -80
86) 40 - 60 = -20
87) -120 + 80 = -40
88) 100 - 300 = -200
89) -150 + 90 = -60
90) 54 + -72 = -18
91) 16 - +41 = -25
92) 35 - -62 = 97 (subtracting a negative = adding)
93) 89 + -111 = -22
94) -63 - -24 = -39 (subtracting a negative = adding, so -63 + 24)
95) 14 + -37 = -23
96) -88 + -19 = -107
97) -47 - +32 = -79
98) 16 - -56 = 72 (subtracting a negative = adding)
99) 146 + -200 = -54

Final Answer:
1) -12 2) -9 3) 40 4) -21 5) -24
6) 4 7) -63 8) -20 9) 48 10) -77
11) -36 12) 54 13) -120 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) 7 30) -4
31) 3 32) -2 33) -3 34) -2 35) -7
36) -1 37) -4 38) -5 39) -11 40) 1
41) -3 42) 11 43) 6 44) -1 45) 3
46) -13 47) -7 48) 31 49) 4 50) -18
51) 20 52) 8 53) 15 54) -18 55) -28
56) 1 57) -72 58) -16 59) 72 60) -88
61) -60 62) 48 63) -42 64) -36 65) 121
66) -9 67) 11 68) -4 69) 9 70) 6
71) -9 72) 5 73) -12 74) 7 75) -6
76) -9 77) 5 78) 30 79) 20 80) -13
81) 20 82) -60 83) -10 84) -80 85) -80
86) -20 87) -40 88) -200 89) -60 90) -18
91) -25 92) 97 93) -22 94) -39 95) -23
96) -107 97) -79 98) 72 99) -54
Parent Tip: Review the logic above to help your child master the concept of positive and negative integer worksheet.
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