Let's solve each equation step by step. The goal is to find the missing number (represented by the blank) that makes each equation true.
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Left Column:
1.
14 + ___ = 28
Subtract 14 from both sides:
$ 28 - 14 = 14 $
✔ Answer: 14
2.
8 × ___ = 32
Divide both sides by 8:
$ 32 ÷ 8 = 4 $
✔ Answer: 4
3.
26 - ___ = 8
Subtract 8 from 26:
$ 26 - 8 = 18 $
So, the missing number is 18.
✔ Answer: 18
4.
42 ÷ ___ = 6
Divide 42 by 6:
$ 42 ÷ 6 = 7 $
✔ Answer: 7
5.
15 + ___ = 33
Subtract 15 from 33:
$ 33 - 15 = 18 $
✔ Answer: 18
6.
___ × 9 = 45
Divide 45 by 9:
$ 45 ÷ 9 = 5 $
✔ Answer: 5
7.
___ - 20 = 30
Add 20 to both sides:
$ 30 + 20 = 50 $
✔ Answer: 50
8.
___ ÷ 4 = 6
Multiply 6 by 4:
$ 6 × 4 = 24 $
✔ Answer: 24
9.
___ + 25 = 50
Subtract 25 from 50:
$ 50 - 25 = 25 $
✔ Answer: 25
10.
___ × 8 = 24
Divide 24 by 8:
$ 24 ÷ 8 = 3 $
✔ Answer: 3
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Right Column:
1.
22 + ___ = 40
Subtract 22 from 40:
$ 40 - 22 = 18 $
✔ Answer: 18
2.
5 × ___ = 30
Divide 30 by 5:
$ 30 ÷ 5 = 6 $
✔ Answer: 6
3.
58 - ___ = 40
Subtract 40 from 58:
$ 58 - 40 = 18 $
✔ Answer: 18
4.
22 ÷ ___ = 11
Divide 22 by 11:
$ 22 ÷ 11 = 2 $
✔ Answer: 2
5.
23 + ___ = 46
Subtract 23 from 46:
$ 46 - 23 = 23 $
✔ Answer: 23
6.
___ × 6 = 36
Divide 36 by 6:
$ 36 ÷ 6 = 6 $
✔ Answer: 6
7.
___ - 15 = 30
Add 15 to 30:
$ 30 + 15 = 45 $
✔ Answer: 45
8.
___ ÷ 4 = 10
Multiply 10 by 4:
$ 10 × 4 = 40 $
✔ Answer: 40
9.
___ + 60 = 100
Subtract 60 from 100:
$ 100 - 60 = 40 $
✔ Answer: 40
10.
___ × 3 = 27
Divide 27 by 3:
$ 27 ÷ 3 = 9 $
✔ Answer: 9
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✔ Final Answers:
####
Left Column:
1. 14
2. 4
3. 18
4. 7
5. 18
6. 5
7. 50
8. 24
9. 25
10. 3
####
Right Column:
1. 18
2. 6
3. 18
4. 2
5. 23
6. 6
7. 45
8. 40
9. 40
10. 9
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📝 Summary:
This worksheet practices basic algebraic thinking using inverse operations:
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Addition → Subtraction
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Subtraction → Addition
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Multiplication → Division
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Division → Multiplication
Each problem requires isolating the unknown value by doing the opposite operation.
Let me know if you'd like this formatted as a printable answer key!
Parent Tip: Review the logic above to help your child master the concept of math worksheet grade 4.
