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
51 + 10 = ______
61 − 10 = ______
9 × 10 = ______
37 + 20 = ______
3 × 10 = ______
62 + 10 = ______
8 × 10 = ______
34 − 10 = ______
25 + 20 = ______
5 × 10 = ______
36 + 10 = ______
36 + 20 = ______
56 − 10 = ______
62 − 10 = ______
39 − 10 = ______
31 − 10 = ______
28 − 10 = ______
89 − 10 = ______
33 − 10 = ______
40 + 10 = ______
