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
56 − 10 = ______
57 + 20 = ______
30 − 10 = ______
3 × 10 = ______
77 + 20 = ______
75 + 10 = ______
5 × 10 = ______
67 − 10 = ______
37 + 20 = ______
33 + 10 = ______
21 + 10 = ______
8 × 10 = ______
52 + 10 = ______
88 + 10 = ______
27 − 10 = ______
65 + 20 = ______
19 + 20 = ______
71 + 10 = ______
6 × 10 = ______
84 + 20 = ______
