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
9 × 10 = ______
47 + 10 = ______
6 × 10 = ______
76 + 10 = ______
47 + 20 = ______
34 + 10 = ______
82 − 10 = ______
39 + 20 = ______
47 − 10 = ______
28 + 20 = ______
31 − 10 = ______
57 − 10 = ______
91 − 10 = ______
51 + 10 = ______
70 − 10 = ______
67 + 10 = ______
30 + 10 = ______
20 + 20 = ______
53 + 10 = ______
62 + 10 = ______
