Number bonds to ten
Name: _____________________ Date: __________
Show your thinking with numbers, words, or a drawing.
1. 7 + ? = 10
2. 8 + ? = 10
3. 9 + ? = 10
4. 4 + ? = 10
5. 1 + ? = 10
Answer key ยท Number bonds to ten
1. 3
7 boxes are filled. The missing part is the empty boxes.
Count the empty boxes: there are 3.
7 + 3 = 10.
2. 2
8 boxes are filled. The missing part is the empty boxes.
Count the empty boxes: there are 2.
8 + 2 = 10.
3. 1
9 boxes are filled. The missing part is the empty boxes.
Count the empty boxes: there is 1.
9 + 1 = 10.
4. 6
4 boxes are filled. The missing part is the empty boxes.
Count the empty boxes: there are 6.
4 + 6 = 10.
5. 9
1 box is filled. The missing part is the empty boxes.
Count the empty boxes: there are 9.
1 + 9 = 10.
Try it together
Put ten counters in two rows of five. Cover some with your hand. Ask how many are hiding and how they know. Uncover them to check.