Let’s solve each problem one by one. We’ll use simple steps and check our work as we go.
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Problem 1: The sum of two consecutive even numbers is 34. What are the numbers?
Consecutive even numbers differ by 2 (like 2 and 4, or 10 and 12).
Let the first even number be
x.
Then the next consecutive even number is
x + 2.
Their sum:
x + (x + 2) = 34
→ 2x + 2 = 34
→ 2x = 32
→ x = 16
So the numbers are
16 and 18.
Check: 16 + 18 = 34
✔
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Problem 2: The sum of four consecutive odd numbers is 24. Find the numbers.
Consecutive odd numbers differ by 2 (like 1, 3, 5, 7).
Let the first odd number be
x.
Then the next three are:
x+2,
x+4,
x+6
Sum:
x + (x+2) + (x+4) + (x+6) = 24
→ 4x + 12 = 24
→ 4x = 12
→ x = 3
Numbers:
3, 5, 7, 9
Check: 3+5=8, 7+9=16 → 8+16=24
✔
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Problem 3: The sum of two consecutive even numbers is 26. What are the numbers?
Same method as Problem 1.
x + (x+2) = 26
→ 2x + 2 = 26
→ 2x = 24
→ x = 12
Numbers:
12 and 14
Check: 12 + 14 = 26
✔
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Problem 4: The sum of four consecutive odd numbers is 64. Find the numbers.
x + (x+2) + (x+4) + (x+6) = 64
→ 4x + 12 = 64
→ 4x = 52
→ x = 13
Numbers:
13, 15, 17, 19
Check: 13+15=28, 17+19=36 → 28+36=64
✔
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Problem 5: The sum of three consecutive odd numbers is 63. Find the numbers.
Let them be: x, x+2, x+4
Sum: x + (x+2) + (x+4) = 63
→ 3x + 6 = 63
→ 3x = 57
→ x = 19
Numbers:
19, 21, 23
Check: 19+21=40, 40+23=63
✔
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Problem 6: The sum of three consecutive even numbers is 12. What are the numbers?
x + (x+2) + (x+4) = 12
→ 3x + 6 = 12
→ 3x = 6
→ x = 2
Numbers:
2, 4, 6
Check: 2+4+6=12
✔
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Problem 7: The sum of three consecutive even numbers is 48. What are the numbers?
x + (x+2) + (x+4) = 48
→ 3x + 6 = 48
→ 3x = 42
→ x = 14
Numbers:
14, 16, 18
Check: 14+16=30, 30+18=48
✔
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Problem 8: The sum of four consecutive odd numbers is 80. Find the numbers.
x + (x+2) + (x+4) + (x+6) = 80
→ 4x + 12 = 80
→ 4x = 68
→ x = 17
Numbers:
17, 19, 21, 23
Check: 17+19=36, 21+23=44 → 36+44=80
✔
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Problem 9: The sum of two consecutive even numbers is 22. What are the numbers?
x + (x+2) = 22
→ 2x + 2 = 22
→ 2x = 20
→ x = 10
Numbers:
10 and 12
Check: 10+12=22
✔
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Problem 10: The sum of two consecutive odd numbers is 24. Find the numbers.
Odd numbers also differ by 2.
x + (x+2) = 24
→ 2x + 2 = 24
→ 2x = 22
→ x = 11
Numbers:
11 and 13
Check: 11+13=24
✔
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Final Answer:
1. 16 and 18
2. 3, 5, 7, 9
3. 12 and 14
4. 13, 15, 17, 19
5. 19, 21, 23
6. 2, 4, 6
7. 14, 16, 18
8. 17, 19, 21, 23
9. 10 and 12
10. 11 and 13
Parent Tip: Review the logic above to help your child master the concept of consecutive integer problems worksheet.