Missing Numbers - Worksheet 2 - 1st Grade

Easy

Find missing numbers in subtraction equations (Easy)

15 problems · 10-15 minutes · Skills: subtraction, algebraic thinking

About This Worksheet

This easy-level worksheet contains 15 problems designed for 1st Grade students practicing missing numbers. Easy worksheets use simpler numbers and straightforward problem types to build confidence and reinforce foundational skills.

Finding missing values in subtraction builds algebraic reasoning and reinforces the connection between addition and subtraction.

How to Solve: Worked Example

Example Problem: 6 − ___ = 4
Solution Steps:
  1. Think: 6 minus what equals 4?
  2. Count from 4 to 6: 5, 6 — that's 2 jumps.
  3. The missing number is 2.
Answer: 2
Tip: Use addition to check subtraction: 4 + 2 = 6!
1
7 - ___ = 4
2
6 - ___ = 4
3
6 - ___ = 5
4
8 - ___ = 1
5
3 - ___ = 2
6
4 - ___ = 1
7
3 - ___ = 1
8
4 - ___ = 2
9
6 - ___ = 4
10
3 - ___ = 1
11
5 - ___ = 4
12
7 - ___ = 2
13
5 - ___ = 1
14
5 - ___ = 1
15
5 - ___ = 3

Answer Key

1. 32. 23. 14. 75. 16. 37. 28. 29. 210. 211. 112. 513. 414. 415. 2

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How many problems are on this worksheet?

This worksheet contains 15 problems. It typically takes 10-15 minutes to complete. An answer key with all solutions is included.