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
11 + 20 = ______
82 + 10 = ______
78 − 10 = ______
67 − 10 = ______
85 + 10 = ______
62 − 10 = ______
63 + 10 = ______
25 + 20 = ______
73 + 20 = ______
2 × 10 = ______
1 × 10 = ______
8 × 10 = ______
47 − 10 = ______
84 − 10 = ______
81 + 10 = ______
4 × 10 = ______
28 + 20 = ______
61 + 20 = ______
68 − 10 = ______
72 + 20 = ______
