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
80 − 10 = ______
8 × 10 = ______
68 + 20 = ______
68 − 10 = ______
26 − 10 = ______
24 + 20 = ______
89 + 20 = ______
6 × 10 = ______
39 + 20 = ______
28 + 20 = ______
67 − 10 = ______
26 + 10 = ______
88 − 10 = ______
53 + 20 = ______
45 + 10 = ______
47 + 10 = ______
69 + 20 = ______
34 − 10 = ______
56 − 10 = ______
76 + 10 = ______
