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
60 + 20 = ______
32 + 20 = ______
2 × 10 = ______
49 − 10 = ______
85 + 20 = ______
58 + 10 = ______
26 − 10 = ______
26 + 10 = ______
42 + 10 = ______
98 − 10 = ______
53 − 10 = ______
36 + 10 = ______
79 − 10 = ______
20 + 20 = ______
8 × 10 = ______
9 × 10 = ______
57 + 20 = ______
62 − 10 = ______
71 + 10 = ______
29 + 20 = ______
