Let's solve each addition problem step by step. The goal is to add the two numbers in each equation and write the correct sum in the box.
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Left Column:
1.
12 + 6 = ?
- 12 + 6 =
18
2.
10 + 3 = ?
- 10 + 3 =
13
3.
13 + 7 = ?
- 13 + 7 =
20
4.
11 + 2 = ?
- 11 + 2 =
13
5.
15 + 4 = ?
- 15 + 4 =
19
6.
12 + 3 = ?
- 12 + 3 =
15
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Right Column:
7.
10 + 1 = ?
- 10 + 1 =
11
8.
14 + 4 = ?
- 14 + 4 =
18
9.
16 + 3 = ?
- 16 + 3 =
19
10.
10 + 8 = ?
- 10 + 8 =
18
11.
18 + 1 = ?
- 18 + 1 =
19
12.
10 + 10 = ?
- 10 + 10 =
20
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✔ Final Answers:
Left Column:
- 12 + 6 =
18
- 10 + 3 =
13
- 13 + 7 =
20
- 11 + 2 =
13
- 15 + 4 =
19
- 12 + 3 =
15
Right Column:
- 10 + 1 =
11
- 14 + 4 =
18
- 16 + 3 =
19
- 10 + 8 =
18
- 18 + 1 =
19
- 10 + 10 =
20
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📝 Explanation:
Each problem involves adding two whole numbers, with sums up to 20. These are basic addition facts that help build number sense and mental math skills. For example:
- To solve
13 + 7, you can think of it as 10 + 3 + 7 = 10 + 10 =
20.
- For
10 + 10, it’s a double ten, which equals
20.
All answers are within the range of 11 to 20, as expected for "Addition to 20."
Let me know if you'd like this formatted as a printable worksheet!
Parent Tip: Review the logic above to help your child master the concept of addition to 20 worksheet.
