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
82 − 10 = ______
66 + 10 = ______
27 + 20 = ______
62 + 10 = ______
3 × 10 = ______
24 + 10 = ______
58 + 20 = ______
1 × 10 = ______
35 + 10 = ______
4 × 10 = ______
33 + 10 = ______
49 + 20 = ______
29 + 20 = ______
14 + 10 = ______
25 − 10 = ______
60 + 10 = ______
31 + 10 = ______
99 − 10 = ______
57 + 10 = ______
32 + 20 = ______
