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
62 − 10 = ______
20 + 10 = ______
42 + 10 = ______
14 + 10 = ______
74 − 10 = ______
41 − 10 = ______
64 + 20 = ______
4 × 10 = ______
8 × 10 = ______
62 + 10 = ______
7 × 10 = ______
87 + 10 = ______
21 − 10 = ______
33 + 20 = ______
63 + 20 = ______
36 − 10 = ______
15 + 10 = ______
20 + 20 = ______
85 + 20 = ______
70 + 20 = ______
