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
2 × 10 = ______
82 − 10 = ______
75 + 10 = ______
3 × 10 = ______
35 + 10 = ______
54 + 20 = ______
8 × 10 = ______
98 − 10 = ______
50 + 10 = ______
72 + 10 = ______
68 + 20 = ______
69 − 10 = ______
66 + 20 = ______
62 + 20 = ______
6 × 10 = ______
37 − 10 = ______
62 + 10 = ______
42 − 10 = ______
51 + 10 = ______
78 + 20 = ______
