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
4 × 10 = ______
33 + 20 = ______
33 − 10 = ______
80 − 10 = ______
45 + 20 = ______
54 − 10 = ______
8 × 10 = ______
66 + 10 = ______
5 × 10 = ______
88 − 10 = ______
79 − 10 = ______
40 − 10 = ______
67 + 10 = ______
81 + 10 = ______
80 + 10 = ______
89 + 10 = ______
47 − 10 = ______
27 − 10 = ______
45 + 10 = ______
22 − 10 = ______
