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
84 + 20 = ______
75 + 10 = ______
48 + 20 = ______
62 + 20 = ______
77 − 10 = ______
33 + 20 = ______
20 + 10 = ______
6 × 10 = ______
69 − 10 = ______
45 + 20 = ______
59 + 10 = ______
14 + 20 = ______
74 + 20 = ______
20 + 20 = ______
73 + 20 = ______
65 + 10 = ______
5 × 10 = ______
4 × 10 = ______
64 − 10 = ______
76 − 10 = ______
