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
52 − 10 = ______
59 + 20 = ______
56 + 20 = ______
74 + 20 = ______
49 − 10 = ______
82 + 20 = ______
50 + 10 = ______
85 + 10 = ______
62 + 10 = ______
66 − 10 = ______
7 × 10 = ______
84 − 10 = ______
5 × 10 = ______
6 × 10 = ______
42 − 10 = ______
32 − 10 = ______
15 + 20 = ______
89 − 10 = ______
33 + 20 = ______
37 − 10 = ______
