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
65 − 10 = ______
9 × 10 = ______
3 × 10 = ______
82 + 10 = ______
79 + 20 = ______
6 × 10 = ______
49 − 10 = ______
44 − 10 = ______
4 × 10 = ______
66 + 20 = ______
8 × 10 = ______
85 + 10 = ______
20 + 20 = ______
34 + 20 = ______
98 − 10 = ______
50 − 10 = ______
70 + 20 = ______
36 − 10 = ______
5 × 10 = ______
1 × 10 = ______
