MyMathKidK-8 Curriculum

Grade 1 Number Bonds: Mixed Number Bonds Review

Practice all number bonds within 20

What You'll Learn

Solve any number bond problem within 20
Build speed and accuracy
Prepare for multi-digit addition and subtraction

📖Putting It All Together

You now know number bonds from 1 to 20. This mixed practice will make you even faster and more confident with any number bond!

💡

The faster you can do number bonds, the easier addition and subtraction will be. Challenge yourself to get faster each time!

Worked examples

Real problems from the practice worksheets, solved one step at a time.

Example 1
10 + ? = 16
1. A number bond joins two parts to make a whole. The whole is 16 and one part is 10.
2. To find the missing part, take the known part away from the whole: 16 − 10.
3. So the missing part is 6.
Answer: 6
Example 2
6 + 7 = ?
1. A number bond joins two parts to make a whole. Here the two parts are 6 and 7.
2. To find the whole, put the parts together: 6 + 7.
3. So the whole is 13.
Answer: 13
Example 3
? + 9 = 15
1. A number bond joins two parts to make a whole. The whole is 15 and one part is 9.
2. To find the missing part, take the known part away from the whole: 15 − 9.
3. So the missing part is 6.
Answer: 6

Practice Worksheets

Mixed Number Bonds Review (Set A)

Practice all number bonds within 20

Mixed Number Bonds Review (Set B)

More mixed review

Mixed Number Bonds Review (Set C)

Additional mixed practice

Mixed Number Bonds Review (Set D)

Keep reviewing all bonds

Mixed Number Bonds Review (Set E)

Master all number bonds within 20