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
38 − 10 = ______
60 + 20 = ______
70 + 20 = ______
18 + 10 = ______
4 × 10 = ______
62 + 20 = ______
84 + 20 = ______
30 − 10 = ______
51 − 10 = ______
7 × 10 = ______
2 × 10 = ______
89 + 20 = ______
8 × 10 = ______
5 × 10 = ______
3 × 10 = ______
91 − 10 = ______
50 + 20 = ______
87 − 10 = ______
67 + 10 = ______
51 + 10 = ______
