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
87 + 10 = ______
57 + 20 = ______
7 × 10 = ______
51 + 20 = ______
33 − 10 = ______
16 + 20 = ______
70 − 10 = ______
35 + 10 = ______
53 + 10 = ______
62 + 20 = ______
97 − 10 = ______
59 + 20 = ______
59 + 10 = ______
74 − 10 = ______
34 − 10 = ______
91 − 10 = ______
77 + 20 = ______
16 + 10 = ______
22 + 20 = ______
84 + 10 = ______
