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
7 × 10 = ______
8 × 10 = ______
45 + 10 = ______
62 + 20 = ______
40 − 10 = ______
9 × 10 = ______
60 + 20 = ______
6 × 10 = ______
16 + 20 = ______
29 + 10 = ______
55 + 20 = ______
65 − 10 = ______
20 + 20 = ______
73 − 10 = ______
19 + 20 = ______
57 + 10 = ______
55 + 10 = ______
47 + 10 = ______
82 − 10 = ______
23 + 20 = ______
