Finding the Unknown Number
In this worksheet, we will practice solving addition equations through regular addition and through subtracting.
Part 1 regular addition example: 1 + 1 = 2
Part 2 subtracting to add example: 3 + _____ = 7
7 - 3 = 4, so 3 + 4 = 7
Finding the Unknown NumberPart 1 regular addition example: 1 + 1 = 2
Part 2 subtracting to add example: 3 + _____ = 7
7 - 3 = 4, so 3 + 4 = 7
Related Links:
Finding 10 More or Less
Finding a Missing Side Length
Finding the Perimeter of a Polygon
