This medium Kindergarten worksheet shifts the focus to missing addends, asking children to figure out what number completes each equation. Learners fill in nine sums, including 4 + ___ = 9, ___ + 3 = 8, ___ + 4 = 4, and 3 + 7 = 10, then match four addition cards like 5 + 4, 1 + 9, and 2 + 5 to their totals. The ___ + 4 = 4 problem gently reinforces that adding zero keeps the number the same.
Working backward from a known total trains kindergartners to think flexibly about number bonds, a key step toward fact fluency in first grade.
Style:
Addition Within 10
Part A: Fill in the Blank
Write the missing word or number on each line.
1. 4 + 5 = 9
2. 5 + 3 = 8
3. 6 + 2 = 8
4. 1 + 6 = 7
5. 0 + 4 = 4
6. 3 + 7 = 10
7. 5 + 1 = 6
8. 3 + 2 = 5
9. 2 + 2 = 4
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
5 + 4
→ 9
6
3 + 3
→ 6
10
1 + 9
→ 10
7
2 + 5
→ 7
9
Addition Within 10
★ Part A: Fill in the Blank
Write the missing word or number on each line.
1) 4 + 5 = 9
2) 5 + 3 = 8
3) 6 + 2 = 8
4) 1 + 6 = 7
5) 0 + 4 = 4
6) 3 + 7 = 10
7) 5 + 1 = 6
8) 3 + 2 = 5
9) 2 + 2 = 4
★ Part B: Matching
Match each item on the left to the correct answer on the right.
1) Match each item to its correct answer.
5 + 4
→ 9
6
3 + 3
→ 6
10
1 + 9
→ 10
7
2 + 5
→ 7
9
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10 Questions
10-15 minutes
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