Let's solve each equation step by step. We'll find the missing number (represented by the blank) in each equation.
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1. 44 + ___ = 55
To find the missing number, subtract 44 from 55:
55 - 44 =
11
✔ Answer:
11
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2. 7 × ___ = 28
Divide 28 by 7:
28 ÷ 7 =
4
✔ Answer:
4
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3. 90 - ___ = 50
Subtract 50 from 90:
90 - 50 =
40
✔ Answer:
40
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4. 24 + ___ = 48
Subtract 24 from 48:
48 - 24 =
24
✔ Answer:
24
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5. 11 × ___ = 77
Divide 77 by 11:
77 ÷ 11 =
7
✔ Answer:
7
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6. ___ - 10 = 25
Add 10 to 25:
25 + 10 =
35
✔ Answer:
35
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7. ___ + 44 = 64
Subtract 44 from 64:
64 - 44 =
20
✔ Answer:
20
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8. ___ × 5 = 20
Divide 20 by 5:
20 ÷ 5 =
4
✔ Answer:
4
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9. ___ - 10 = 35
Add 10 to 35:
35 + 10 =
45
✔ Answer:
45
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10. ___ + 40 = 80
Subtract 40 from 80:
80 - 40 =
40
✔ Answer:
40
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11. 22 + ___ = 38
Subtract 22 from 38:
38 - 22 =
16
✔ Answer:
16
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12. 6 × ___ = 36
Divide 36 by 6:
36 ÷ 6 =
6
✔ Answer:
6
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13. 35 - ___ = 20
Subtract 20 from 35:
35 - 20 =
15
✔ Answer:
15
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14. 30 + ___ = 60
Subtract 30 from 60:
60 - 30 =
30
✔ Answer:
30
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15. 4 × ___ = 8
Divide 8 by 4:
8 ÷ 4 =
2
✔ Answer:
2
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16. ___ - 9 = 18
Add 9 to 18:
18 + 9 =
27
✔ Answer:
27
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17. ___ + 17 = 30
Subtract 17 from 30:
30 - 17 =
13
✔ Answer:
13
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18. ___ × 12 = 24
Divide 24 by 12:
24 ÷ 12 =
2
✔ Answer:
2
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19. ___ - 20 = 20
Add 20 to 20:
20 + 20 =
40
✔ Answer:
40
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20. ___ + 30 = 90
Subtract 30 from 90:
90 - 30 =
60
✔ Answer:
60
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✔ Final Answers:
1. 11
2. 4
3. 40
4. 24
5. 7
6. 35
7. 20
8. 4
9. 45
10. 40
11. 16
12. 6
13. 15
14. 30
15. 2
16. 27
17. 13
18. 2
19. 40
20. 60
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Let me know if you'd like this formatted as a completed worksheet!
Parent Tip: Review the logic above to help your child master the concept of maths for 3rd grade worksheet.
