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
41 + 20 = ______
79 + 20 = ______
27 + 20 = ______
88 − 10 = ______
2 × 10 = ______
4 × 10 = ______
65 + 20 = ______
96 − 10 = ______
82 + 10 = ______
65 − 10 = ______
14 + 10 = ______
8 × 10 = ______
95 − 10 = ______
66 + 10 = ______
40 + 20 = ______
80 + 10 = ______
84 + 20 = ______
44 + 20 = ______
47 + 10 = ______
58 + 20 = ______
