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
3 × 10 = ______
5 × 10 = ______
8 × 10 = ______
45 − 10 = ______
88 − 10 = ______
66 − 10 = ______
55 + 10 = ______
55 − 10 = ______
66 + 20 = ______
57 + 20 = ______
13 + 20 = ______
90 − 10 = ______
12 + 10 = ______
9 × 10 = ______
1 × 10 = ______
67 − 10 = ______
72 − 10 = ______
36 + 10 = ______
79 + 10 = ______
41 + 10 = ______
