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
52 + 10 = ______
87 − 10 = ______
64 − 10 = ______
21 + 10 = ______
67 − 10 = ______
7 × 10 = ______
42 + 10 = ______
45 − 10 = ______
99 − 10 = ______
66 + 20 = ______
30 + 20 = ______
8 × 10 = ______
27 − 10 = ______
4 × 10 = ______
39 − 10 = ______
88 + 20 = ______
34 + 10 = ______
9 × 10 = ______
35 + 10 = ______
57 + 20 = ______
