Missing Number Worksheet
Fill in the missing numbers to complete each equation. Think about what number makes the equation true!
1 + 9 = ___
___ × 3 = 21
8 × ___ = 72
3 - 2 = ___
___ + 3 = 9
1 - ___ = 1
5 + ___ = 7
4 + ___ = 5
9 × ___ = 45
3 - 1 = ___
7 + 7 = ___
40 ÷ 5 = ___
6 - ___ = 6
___ - 2 = 4
___ × 9 = 0
___ × 3 = 15
5 × 3 = ___
21 ÷ 7 = ___
8 - 2 = ___
___ ÷ 9 = 7