Number Bonds to 10 — Answer Key
Part A: Multiple Choice
Circle the best answer for each question.
1. Tom has 4 toys. How many more to make 10?
A) 6
B) 5
C) 7
D) 8
Four plus six equals ten, so six more toys complete the set.
2. There are 7 ducks. How many more to reach 10?
A) 2
B) 3
C) 4
D) 5
Seven plus three equals ten, so three more ducks make ten.
3. A box has 5 blocks. How many more for 10?
A) 3
B) 4
C) 5
D) 6
Five plus five equals ten, so five more blocks fill the box.
4. Ana has 0 stickers. How many more for 10?
A) 7
B) 8
C) 9
D) 10
Zero plus ten equals ten, so ten more stickers are needed.
Part B: Fill in the Blank
Write the correct answer on each line.
1. 2 + 8 = 10
Two plus eight equals ten, an important Kindergarten number bond.
2. 4 + 6 = 10
Four plus six equals ten, completing the number bond pair.
3. 9 + 1 = 10
Nine plus one equals ten, a fast fact to remember.
4. 3 + 7 = 10
Three plus seven equals ten, a Kindergarten partner pair.
5. 10 + 0 = 10
Ten plus zero equals ten because adding zero keeps the same.