Practice finding missing numbers in addition equations with this Grade 2 maths worksheet designed for classroom or home learning.

Problem Overview:

The task involves solving addition problems by filling in the missing numbers in each equation. The goal is to determine the value that, when added to the given number, results in the total provided.

Solution Approach:

For each equation, we will use the basic property of addition:
\[
\text{Total} = \text{Number 1} + \text{Number 2}
\]
Rearranging to solve for the missing number:
\[
\text{Missing Number} = \text{Total} - \text{Known Number}
\]

Step-by-Step Solutions:

#### Left Column:
1. \( 16 = 8 + 8 \)
- Already filled: \( 8 + 8 = 16 \)

2. \( 27 = \square + 8 \)
- Missing number: \( 27 - 8 = 19 \)
- Answer: \( 27 = 19 + 8 \)

3. \( 38 = 6 + \square \)
- Missing number: \( 38 - 6 = 32 \)
- Answer: \( 38 = 6 + 32 \)

4. \( 46 = \square + 20 \)
- Missing number: \( 46 - 20 = 26 \)
- Answer: \( 46 = 26 + 20 \)

5. \( 57 = 27 + \square \)
- Missing number: \( 57 - 27 = 30 \)
- Answer: \( 57 = 27 + 30 \)

6. \( 60 = \square + 20 \)
- Missing number: \( 60 - 20 = 40 \)
- Answer: \( 60 = 40 + 20 \)

7. \( 34 = 29 + \square \)
- Missing number: \( 34 - 29 = 5 \)
- Answer: \( 34 = 29 + 5 \)

8. \( 42 = \square + 14 \)
- Missing number: \( 42 - 14 = 28 \)
- Answer: \( 42 = 28 + 14 \)

9. \( 72 = 57 + \square \)
- Missing number: \( 72 - 57 = 15 \)
- Answer: \( 72 = 57 + 15 \)

10. \( 83 = \square + 63 \)
- Missing number: \( 83 - 63 = 20 \)
- Answer: \( 83 = 20 + 63 \)

#### Right Column:
11. \( 31 = 9 + \square \)
- Missing number: \( 31 - 9 = 22 \)
- Answer: \( 31 = 9 + 22 \)

12. \( 52 = \square + 32 \)
- Missing number: \( 52 - 32 = 20 \)
- Answer: \( 52 = 20 + 32 \)

13. \( 81 = 51 + \square \)
- Missing number: \( 81 - 51 = 30 \)
- Answer: \( 81 = 51 + 30 \)

14. \( 40 = \square + 10 \)
- Missing number: \( 40 - 10 = 30 \)
- Answer: \( 40 = 30 + 10 \)

15. \( 24 = 14 + \square \)
- Missing number: \( 24 - 14 = 10 \)
- Answer: \( 24 = 14 + 10 \)

16. \( 93 = \square + 82 \)
- Missing number: \( 93 - 82 = 11 \)
- Answer: \( 93 = 11 + 82 \)

17. \( 14 = 9 + \square \)
- Missing number: \( 14 - 9 = 5 \)
- Answer: \( 14 = 9 + 5 \)

18. \( 62 = \square + 42 \)
- Missing number: \( 62 - 42 = 20 \)
- Answer: \( 62 = 20 + 42 \)

19. \( 73 = 58 + \square \)
- Missing number: \( 73 - 58 = 15 \)
- Answer: \( 73 = 58 + 15 \)

20. \( 45 = \square + 29 \)
- Missing number: \( 45 - 29 = 16 \)
- Answer: \( 45 = 16 + 29 \)

Final Answers:

\[
\boxed{
\begin{array}{ll}
1. & 16 = 8 + 8 \\
2. & 27 = 19 + 8 \\
3. & 38 = 6 + 32 \\
4. & 46 = 26 + 20 \\
5. & 57 = 27 + 30 \\
6. & 60 = 40 + 20 \\
7. & 34 = 29 + 5 \\
8. & 42 = 28 + 14 \\
9. & 72 = 57 + 15 \\
10. & 83 = 20 + 63 \\
11. & 31 = 9 + 22 \\
12. & 52 = 20 + 32 \\
13. & 81 = 51 + 30 \\
14. & 40 = 30 + 10 \\
15. & 24 = 14 + 10 \\
16. & 93 = 11 + 82 \\
17. & 14 = 9 + 5 \\
18. & 62 = 20 + 42 \\
19. & 73 = 58 + 15 \\
20. & 45 = 16 + 29 \\
\end{array}
}
\]