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
5 × 10 = ______
19 + 10 = ______
90 − 10 = ______
66 − 10 = ______
43 + 20 = ______
61 − 10 = ______
8 × 10 = ______
21 + 20 = ______
6 × 10 = ______
1 × 10 = ______
82 + 10 = ______
74 + 10 = ______
79 + 20 = ______
67 + 10 = ______
32 − 10 = ______
42 + 10 = ______
49 + 10 = ______
35 + 10 = ______
32 + 10 = ______
49 − 10 = ______
