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
3 × 10 = ______
66 − 10 = ______
94 − 10 = ______
33 − 10 = ______
88 + 10 = ______
39 + 20 = ______
6 × 10 = ______
23 + 10 = ______
13 + 10 = ______
84 + 10 = ______
4 × 10 = ______
9 × 10 = ______
83 − 10 = ______
1 × 10 = ______
33 + 20 = ______
79 − 10 = ______
64 + 10 = ______
35 + 20 = ______
37 + 20 = ______
74 − 10 = ______
