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
82 + 20 = ______
60 + 20 = ______
71 + 10 = ______
74 + 10 = ______
21 + 10 = ______
3 × 10 = ______
2 × 10 = ______
89 − 10 = ______
53 − 10 = ______
63 − 10 = ______
75 − 10 = ______
53 + 20 = ______
35 + 10 = ______
88 + 10 = ______
7 × 10 = ______
61 − 10 = ______
38 + 20 = ______
14 + 10 = ______
67 + 20 = ______
17 + 10 = ______
