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
57 + 20 = ______
94 − 10 = ______
16 + 10 = ______
72 + 20 = ______
9 × 10 = ______
43 + 20 = ______
4 × 10 = ______
7 × 10 = ______
42 + 10 = ______
73 + 20 = ______
68 − 10 = ______
85 − 10 = ______
68 + 10 = ______
86 + 10 = ______
70 − 10 = ______
52 + 20 = ______
2 × 10 = ______
49 − 10 = ______
26 + 10 = ______
14 + 10 = ______
