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
58 − 10 = ______
9 × 10 = ______
6 × 10 = ______
2 × 10 = ______
4 × 10 = ______
44 + 10 = ______
29 + 20 = ______
99 − 10 = ______
8 × 10 = ______
51 − 10 = ______
71 + 20 = ______
7 × 10 = ______
1 × 10 = ______
89 + 10 = ______
23 + 20 = ______
75 − 10 = ______
51 + 10 = ______
35 + 20 = ______
38 − 10 = ______
70 + 20 = ______