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
43 + 10 = ______
67 − 10 = ______
49 + 20 = ______
41 + 10 = ______
36 + 20 = ______
1 × 10 = ______
12 + 10 = ______
81 + 20 = ______
30 + 20 = ______
2 × 10 = ______
97 − 10 = ______
5 × 10 = ______
7 × 10 = ______
78 + 10 = ______
40 + 10 = ______
33 + 20 = ______
82 + 20 = ______
8 × 10 = ______
48 − 10 = ______
61 − 10 = ______
