Mental Math Worksheet
Recommended for 1st Grade — 5th Grade
Mental Math Worksheet
Name: ____________________Date: ____________
Instructions: Using mental strategies like making ten, doubling, and compensation to compute quickly.
20 problems
51 + 20 = ______
93 − 10 = ______
67 + 10 = ______
28 − 10 = ______
2 × 10 = ______
64 + 20 = ______
91 − 10 = ______
57 − 10 = ______
98 − 10 = ______
5 × 10 = ______
7 × 10 = ______
94 − 10 = ______
44 + 10 = ______
4 × 10 = ______
24 + 20 = ______
54 + 20 = ______
49 + 10 = ______
40 + 10 = ______
74 − 10 = ______
23 − 10 = ______
