Let’s solve each equation step by step. We’re looking for the missing number that makes each equation true.
---
Left Column:
1.
19 + ___ = 38
→ Subtract 19 from 38: 38 - 19 =
19
2.
5 × ___ = 60
→ Divide 60 by 5: 60 ÷ 5 =
12
3.
45 - ___ = 30
→ Subtract 30 from 45: 45 - 30 =
15
4.
36 ÷ ___ = 9
→ Divide 36 by 9: 36 ÷ 9 =
4
5.
26 + ___ = 52
→ Subtract 26 from 52: 52 - 26 =
26
6.
___ × 8 = 56
→ Divide 56 by 8: 56 ÷ 8 =
7
7.
___ - 20 = 60
→ Add 20 to 60: 60 + 20 =
80
8.
___ ÷ 12 = 4
→ Multiply 4 by 12: 4 × 12 =
48
9.
___ + 15 = 45
→ Subtract 15 from 45: 45 - 15 =
30
10.
___ × 6 = 24
→ Divide 24 by 6: 24 ÷ 6 =
4
---
Right Column:
1.
40 + ___ = 100
→ Subtract 40 from 100: 100 - 40 =
60
2.
7 × ___ = 49
→ Divide 49 by 7: 49 ÷ 7 =
7
3.
22 - ___ = 8
→ Subtract 8 from 22: 22 - 8 =
14
4.
54 ÷ ___ = 9
→ Divide 54 by 9: 54 ÷ 9 =
6
5.
52 + ___ = 64
→ Subtract 52 from 64: 64 - 52 =
12
6.
___ × 7 = 21
→ Divide 21 by 7: 21 ÷ 7 =
3
7.
___ - 50 = 50
→ Add 50 to 50: 50 + 50 =
100
8.
___ ÷ 6 = 6
→ Multiply 6 by 6: 6 × 6 =
36
9.
___ + 60 = 70
→ Subtract 60 from 70: 70 - 60 =
10
10.
___ × 12 = 36
→ Divide 36 by 12: 36 ÷ 12 =
3
---
Final Answer:
Left Column:
1. 19
2. 12
3. 15
4. 4
5. 26
6. 7
7. 80
8. 48
9. 30
10. 4
Right Column:
1. 60
2. 7
3. 14
4. 6
5. 12
6. 3
7. 100
8. 36
9. 10
10. 3
Parent Tip: Review the logic above to help your child master the concept of algebra for 4th graders worksheet.
