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
7 × 10 = ______
85 + 10 = ______
66 − 10 = ______
31 + 10 = ______
21 + 10 = ______
9 × 10 = ______
6 × 10 = ______
76 + 20 = ______
3 × 10 = ______
29 + 20 = ______
1 × 10 = ______
99 − 10 = ______
92 − 10 = ______
50 − 10 = ______
5 × 10 = ______
66 + 10 = ______
89 + 20 = ______
82 + 20 = ______
97 − 10 = ______
13 + 10 = ______
