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
77 + 10 = ______
58 + 20 = ______
76 + 10 = ______
12 + 10 = ______
63 − 10 = ______
4 × 10 = ______
75 + 10 = ______
68 + 20 = ______
19 + 20 = ______
78 + 10 = ______
33 − 10 = ______
37 − 10 = ______
3 × 10 = ______
7 × 10 = ______
14 + 10 = ______
67 − 10 = ______
56 + 20 = ______
79 + 10 = ______
60 − 10 = ______
45 + 10 = ______
