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
59 + 10 = ______
74 − 10 = ______
14 + 20 = ______
82 − 10 = ______
80 − 10 = ______
13 + 20 = ______
57 + 10 = ______
66 + 10 = ______
37 + 10 = ______
67 + 10 = ______
32 + 10 = ______
47 + 10 = ______
42 − 10 = ______
30 + 10 = ______
27 + 10 = ______
98 − 10 = ______
60 + 20 = ______
85 + 10 = ______
4 × 10 = ______
53 + 20 = ______
