Number Bonds to 10 — Answer Key
Part A: Fill in the Blank
Write the missing word or number on each line.
1. 0 + 10 = 10
Zero plus ten equals ten because nothing plus ten still gives ten.
2. 1 + 9 = 10
One plus nine equals ten, with nine empty squares left over.
3. 2 + 8 = 10
Two plus eight equals ten because eight squares remain in the frame.
4. 3 + 7 = 10
Three plus seven equals ten, a key pair shown on the 10-frame.
5. 4 + 6 = 10
Four plus six equals ten, making them number bond partners.
6. 5 + 5 = 10
Five plus five equals ten, the special doubles pair to remember.
7. 6 + 4 = 10
Six plus four equals ten because four spaces stay empty.
8. 7 + 3 = 10
Seven plus three equals ten, with three empty squares remaining.
9. 8 + 2 = 10
Eight plus two equals ten, an important Kindergarten number bond.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
1 + ?
→ 9
9
2 + ?
→ 8
8
3 + ?
→ 7
7
4 + ?
→ 6
6
Each number on the left needs its pair on the right to total ten.