Let's solve the "Count by 10s" worksheet step by step.
We are asked to fill in the missing numbers in each sequence, counting by 10s (i.e., adding 10 each time).
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1. 10, 20, ___, 40, 50, ___
- After 20 comes
30
- After 50 comes
60
✔ So:
10, 20, 30, 40, 50, 60
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2. 30, ___, 50, ___, 70, 80
- After 30 comes
40
- After 50 comes
60
✔ So:
30, 40, 50, 60, 70, 80
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3. 50, 60, 70, ___, ___, 100
- After 70 comes
80
- After 80 comes
90
- Then 100
✔ So:
50, 60, 70, 80, 90, 100
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4. 20, ___, ___, 50, 60, 70
- After 20 comes
30
- After 30 comes
40
✔ So:
20, 30, 40, 50, 60, 70
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5. 40, 50, ___, 70, ___, 90
- After 50 comes
60
- After 70 comes
80
✔ So:
40, 50, 60, 70, 80, 90
---
6. 50, 60, ___, 80, 90, ___
- After 60 comes
70
- After 90 comes
100
✔ So:
50, 60, 70, 80, 90, 100
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7. ___, 30, 40, ___, 60, 70
- Before 30 comes
20
- After 40 comes
50
✔ So:
20, 30, 40, 50, 60, 70
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✔ Final Answer:
1. 10, 20,
30, 40, 50,
60
2. 30,
40, 50,
60, 70, 80
3. 50, 60, 70,
80,
90, 100
4. 20,
30,
40, 50, 60, 70
5. 40, 50,
60, 70,
80, 90
6. 50, 60,
70, 80, 90,
100
7.
20, 30, 40,
50, 60, 70
All sequences follow the pattern of increasing by 10.
Parent Tip: Review the logic above to help your child master the concept of count by 10 worksheet.
