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
8 × 10 = ______
57 + 10 = ______
40 + 10 = ______
9 × 10 = ______
47 + 10 = ______
42 − 10 = ______
52 + 10 = ______
72 + 10 = ______
20 + 20 = ______
11 + 10 = ______
70 + 20 = ______
58 + 20 = ______
89 + 10 = ______
85 − 10 = ______
93 − 10 = ______
89 + 20 = ______
18 + 20 = ______
20 + 10 = ______
79 − 10 = ______
4 × 10 = ______
