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
33 − 10 = ______
34 + 20 = ______
35 + 10 = ______
7 × 10 = ______
3 × 10 = ______
56 − 10 = ______
40 + 10 = ______
36 + 10 = ______
58 − 10 = ______
68 + 10 = ______
32 + 20 = ______
13 + 20 = ______
51 + 10 = ______
78 + 10 = ______
2 × 10 = ______
71 + 20 = ______
91 − 10 = ______
52 − 10 = ______
84 + 10 = ______
82 + 20 = ______
