Let's solve this
"Counting in 2s" worksheet step by step. The task is to
count in 2s and find the
next number in each sequence.
We are counting in
2s, so each number increases or decreases by
2 from the previous one.
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Let's go through each question:
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1. 4, 6, ___
- 4 → 6 (added 2)
- So next: 6 + 2 =
8
✔ Answer:
8
---
2. 8, 10, ___
- 8 → 10 (+2)
- Next: 10 + 2 =
12
✔ Answer:
12
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3. 0, ___, 4
- We have 0 and then 4.
- Since we're counting in 2s, the missing number between 0 and 4 is:
- 0 → 2 → 4
- So the middle number is
2
✔ Answer:
2
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4. 12, 14, ___
- 12 → 14 (+2)
- Next: 14 + 2 =
16
✔ Answer:
16
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5. ___, 18, 20
- We have 18 and 20, which are increasing by 2.
- So the number before 18 should be: 18 − 2 =
16
✔ Answer:
16
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6. 2, ___, ___
- Start at 2, count in 2s:
- 2 → 4 → 6
- So next two numbers:
4,
6
✔ Answers:
4, 6
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7. 16, ___, ___
- Count in 2s after 16:
- 16 → 18 → 20
✔ Answers:
18, 20
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8. ___, 10, ___
- We know the middle number is 10.
- Counting in 2s: Before 10 is 8, after is 12
- So: 8, 10, 12
✔ Answers:
8, 12
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9. ___, ___, 4
- We’re counting in 2s, ending at 4.
- Work backward:
- 4 ← 2 ← 0
- So the sequence is: 0, 2, 4
✔ Answers:
0, 2
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10. ___, ___, 14
- Ending at 14, counting in 2s.
- Previous numbers: 14 ← 12 ← 10
- So: 10, 12, 14
✔ Answers:
10, 12
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Final Answers:
| Question | Answer |
|--------|--------|
| 1 | 8 |
| 2 | 12 |
| 3 | 2 |
| 4 | 16 |
| 5 | 16 |
| 6 | 4, 6 |
| 7 | 18, 20 |
| 8 | 8, 12 |
| 9 | 0, 2 |
| 10 | 10, 12 |
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✔ All sequences follow the pattern of counting in 2s — either forward or backward depending on the context.
Let me know if you'd like a printable version or explanation for kids!
Parent Tip: Review the logic above to help your child master the concept of count by 2s worksheet.
