Let’s solve each addition problem step by step.
We are adding 10 to different numbers. Since 10 is a full ten frame, we just need to count how many more dots are added and add that to 10.
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1. 10 + 2 = ?
Start at 10, add 2 → 10, 11, 12 →
12
2. 10 + 6 = ?
Start at 10, add 6 → 10, 11, 12, 13, 14, 15, 16 →
16
3. 10 + 4 = ?
Start at 10, add 4 → 10, 11, 12, 13, 14 →
14
4. 10 + 1 = ?
Start at 10, add 1 → 10, 11 →
11
5. 10 + 5 = ?
Start at 10, add 5 → 10, 11, 12, 13, 14, 15 →
15
6. 10 + 9 = ?
Start at 10, add 9 → 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 →
19
7. 10 + 7 = ?
Start at 10, add 7 → 10, 11, 12, 13, 14, 15, 16, 17 →
17
8. 10 + 8 = ?
Start at 10, add 8 → 10, 11, 12, 13, 14, 15, 16, 17, 18 →
18
9. 10 + 3 = ?
Start at 10, add 3 → 10, 11, 12, 13 →
13
10. 10 + 10 = ?
Start at 10, add 10 → 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 →
20
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All answers checked and verified.
Final Answer:
10 + 2 = 12
10 + 6 = 16
10 + 4 = 14
10 + 1 = 11
10 + 5 = 15
10 + 9 = 19
10 + 7 = 17
10 + 8 = 18
10 + 3 = 13
10 + 10 = 20
Parent Tip: Review the logic above to help your child master the concept of ten frame addition worksheet.