Number Bonds to 10 — Answer Key
Part A: Fill in the Blank
Write the missing word or number on each line.
1. 9 + 1 = 10
Nine plus one equals ten, the partner pair for nine.
2. 10 + 0 = 10
Ten plus zero equals ten because adding nothing keeps ten.
3. 5 + 5 = 10
Five plus five equals ten, the famous double bond pair.
4. 6 + 4 = 10
Six plus four equals ten because six boxes remain empty.
5. 7 + 3 = 10
Seven plus three equals ten, a strong Kindergarten number bond.
6. 8 + 2 = 10
Eight plus two equals ten with eight empty boxes filled.
7. 9 + 1 = 10
Nine plus one equals ten because nine more spaces are empty.
8. 6 + 4 = 10
Six plus four equals ten on the Kindergarten 10-frame model.
9. 7 + 3 = 10
Seven plus three equals ten, completing the number bond pair.
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 + ?
→ 5
5
6 + ?
→ 4
4
7 + ?
→ 3
3
8 + ?
→ 2
2
Each left side number adds with its right partner to total ten.