Description: Find the whole number that solves the equation. Practice both addition and subtraction.
Tags: Addition, Subtraction, 1st grade math, CCSS.Math.Content.1.OA.D.8
7 + ___ = 10
12 = ___ + 4
___ - 5 = 9
3 + ___ = 8
15 - ___ = 7
4 = 3 + 1
10 + ___ = 17
___ - 6 = 3
9 + ___ = 14
___ + 5 = 13