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
6 × 10 = ______
77 + 20 = ______
97 − 10 = ______
35 + 20 = ______
38 + 10 = ______
41 + 20 = ______
56 − 10 = ______
15 + 20 = ______
1 × 10 = ______
49 − 10 = ______
12 + 10 = ______
71 + 10 = ______
55 − 10 = ______
36 − 10 = ______
15 + 10 = ______
5 × 10 = ______
9 × 10 = ______
57 − 10 = ______
2 × 10 = ______
8 × 10 = ______
