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
82 + 20 = ______
9 × 10 = ______
3 × 10 = ______
30 − 10 = ______
92 − 10 = ______
80 + 10 = ______
4 × 10 = ______
7 × 10 = ______
21 + 20 = ______
6 × 10 = ______
79 − 10 = ______
58 − 10 = ______
55 + 20 = ______
27 + 20 = ______
5 × 10 = ______
59 − 10 = ______
24 + 10 = ______
2 × 10 = ______
27 − 10 = ______
52 + 10 = ______
