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
8 × 10 = ______
63 + 20 = ______
93 − 10 = ______
15 + 20 = ______
36 + 10 = ______
31 + 20 = ______
23 + 20 = ______
77 + 20 = ______
12 + 10 = ______
38 + 20 = ______
41 + 10 = ______
44 + 20 = ______
42 + 20 = ______
67 − 10 = ______
5 × 10 = ______
65 − 10 = ______
78 + 20 = ______
58 − 10 = ______
45 − 10 = ______
49 + 10 = ______
