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 = ______
58 − 10 = ______
39 + 20 = ______
3 × 10 = ______
39 + 10 = ______
33 + 20 = ______
2 × 10 = ______
55 + 10 = ______
1 × 10 = ______
6 × 10 = ______
67 − 10 = ______
32 + 20 = ______
57 + 20 = ______
44 + 20 = ______
21 − 10 = ______
9 × 10 = ______
63 + 20 = ______
12 + 20 = ______
64 + 10 = ______
22 + 20 = ______
