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
63 + 20 = ______
67 + 10 = ______
77 − 10 = ______
14 + 10 = ______
4 × 10 = ______
11 + 20 = ______
1 × 10 = ______
35 + 20 = ______
7 × 10 = ______
82 + 20 = ______
58 + 20 = ______
30 + 10 = ______
44 + 10 = ______
9 × 10 = ______
23 + 10 = ______
47 + 10 = ______
6 × 10 = ______
47 − 10 = ______
26 + 20 = ______
77 + 10 = ______