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 = ______
41 + 20 = ______
39 + 20 = ______
78 + 10 = ______
24 + 20 = ______
96 − 10 = ______
3 × 10 = ______
46 + 10 = ______
81 − 10 = ______
63 + 20 = ______
45 − 10 = ______
53 + 10 = ______
9 × 10 = ______
5 × 10 = ______
97 − 10 = ______
12 + 10 = ______
57 − 10 = ______
80 + 20 = ______
14 + 10 = ______
46 + 20 = ______
