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
53 − 10 = ______
41 − 10 = ______
71 − 10 = ______
70 − 10 = ______
51 + 20 = ______
8 × 10 = ______
84 + 20 = ______
37 + 20 = ______
29 − 10 = ______
79 + 20 = ______
71 + 10 = ______
31 − 10 = ______
80 − 10 = ______
33 − 10 = ______
41 + 10 = ______
65 + 20 = ______
23 + 10 = ______
57 + 20 = ______
83 + 10 = ______
77 − 10 = ______
