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 + 10 = ______
88 + 20 = ______
48 + 10 = ______
80 + 20 = ______
95 − 10 = ______
81 − 10 = ______
49 + 20 = ______
80 − 10 = ______
48 − 10 = ______
48 + 20 = ______
4 × 10 = ______
91 − 10 = ______
73 − 10 = ______
38 − 10 = ______
64 + 20 = ______
38 + 20 = ______
9 × 10 = ______
66 + 20 = ______
27 − 10 = ______
20 + 20 = ______
