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
50 − 10 = ______
55 + 10 = ______
37 + 10 = ______
1 × 10 = ______
68 + 10 = ______
88 − 10 = ______
65 + 20 = ______
4 × 10 = ______
3 × 10 = ______
82 − 10 = ______
5 × 10 = ______
67 + 10 = ______
6 × 10 = ______
66 − 10 = ______
16 + 20 = ______
82 + 20 = ______
17 + 20 = ______
41 + 20 = ______
27 + 20 = ______
53 + 20 = ______
