Grade 1 Number Bonds: Making 10 Review

Build fluency with all combinations that make 10

What You'll Learn

Instantly recall all bonds of 10
Use Making 10 strategy for mental math
Connect bonds to addition facts

📖Making 10 is Key!

In 1st grade, knowing how to make 10 instantly is one of the most important skills. When you see 7, you should think "3 more to make 10." When you see 4, think "6 more to make 10."

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Quiz yourself: What makes 10 with 6? With 8? With 3? Practice until these answers come automatically!

Worked examples

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

Example 1
8 + 2 = ?
1. A number bond joins two parts to make a whole. Here the two parts are 8 and 2.
2. To find the whole, put the parts together: 8 + 2.
3. So the whole is 10.
Answer: 10
Example 2
4 + ? = 10
1. A number bond joins two parts to make a whole. The whole is 10 and one part is 4.
2. To find the missing part, take the known part away from the whole: 10 − 4.
3. So the missing part is 6.
Answer: 6
Example 3
? + 4 = 10
1. A number bond joins two parts to make a whole. The whole is 10 and one part is 4.
2. To find the missing part, take the known part away from the whole: 10 − 4.
3. So the missing part is 6.
Answer: 6