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
4 × 10 = ______
7 × 10 = ______
47 + 20 = ______
84 − 10 = ______
5 × 10 = ______
89 + 20 = ______
65 − 10 = ______
91 − 10 = ______
15 + 20 = ______
6 × 10 = ______
87 + 10 = ______
42 + 20 = ______
2 × 10 = ______
62 + 20 = ______
27 + 10 = ______
27 + 20 = ______
75 + 20 = ______
31 + 10 = ______
82 + 20 = ______
8 × 10 = ______
