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
85 + 10 = ______
85 − 10 = ______
6 × 10 = ______
5 × 10 = ______
64 + 10 = ______
83 − 10 = ______
50 + 20 = ______
51 − 10 = ______
32 + 10 = ______
48 + 10 = ______
33 + 20 = ______
23 + 10 = ______
37 + 20 = ______
26 + 20 = ______
60 − 10 = ______
45 + 10 = ______
49 − 10 = ______
56 + 20 = ______
96 − 10 = ______
79 − 10 = ______
