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
8 × 10 = ______
5 × 10 = ______
67 + 20 = ______
35 + 20 = ______
7 × 10 = ______
6 × 10 = ______
1 × 10 = ______
49 + 10 = ______
3 × 10 = ______
71 + 20 = ______
25 + 20 = ______
21 + 20 = ______
74 − 10 = ______
34 + 10 = ______
66 − 10 = ______
38 + 20 = ______
27 − 10 = ______
81 − 10 = ______
4 × 10 = ______
50 + 10 = ______
