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
31 − 10 = ______
52 − 10 = ______
19 + 20 = ______
12 + 20 = ______
37 − 10 = ______
49 + 20 = ______
84 + 20 = ______
84 − 10 = ______
85 + 10 = ______
3 × 10 = ______
30 + 20 = ______
9 × 10 = ______
47 + 10 = ______
25 + 10 = ______
76 + 10 = ______
82 + 10 = ______
32 + 20 = ______
23 − 10 = ______
35 + 10 = ______
41 − 10 = ______
