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
32 − 10 = ______
1 × 10 = ______
70 + 20 = ______
23 + 10 = ______
79 − 10 = ______
14 + 20 = ______
66 + 10 = ______
28 − 10 = ______
47 + 10 = ______
89 − 10 = ______
15 + 10 = ______
18 + 10 = ______
99 − 10 = ______
2 × 10 = ______
80 − 10 = ______
93 − 10 = ______
82 − 10 = ______
6 × 10 = ______
25 + 20 = ______
51 + 20 = ______
