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
67 + 20 = ______
4 × 10 = ______
57 + 10 = ______
78 − 10 = ______
95 − 10 = ______
26 + 10 = ______
73 − 10 = ______
36 + 10 = ______
62 − 10 = ______
26 + 20 = ______
97 − 10 = ______
68 + 10 = ______
40 + 20 = ______
37 + 10 = ______
60 − 10 = ______
39 + 20 = ______
8 × 10 = ______
7 × 10 = ______
56 − 10 = ______
9 × 10 = ______
