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
37 + 10 = ______
85 − 10 = ______
31 − 10 = ______
81 + 20 = ______
59 + 10 = ______
77 + 10 = ______
14 + 10 = ______
72 + 10 = ______
30 + 20 = ______
93 − 10 = ______
1 × 10 = ______
82 − 10 = ______
11 + 10 = ______
6 × 10 = ______
58 + 10 = ______
68 − 10 = ______
66 + 20 = ______
39 + 10 = ______
3 × 10 = ______
36 + 20 = ______
