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
57 + 20 = ______
70 + 10 = ______
68 + 10 = ______
13 + 20 = ______
72 + 10 = ______
2 × 10 = ______
88 − 10 = ______
25 + 10 = ______
3 × 10 = ______
97 − 10 = ______
88 + 20 = ______
7 × 10 = ______
1 × 10 = ______
35 − 10 = ______
27 + 20 = ______
42 + 20 = ______
89 + 20 = ______
75 + 20 = ______
68 − 10 = ______
5 × 10 = ______
