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
11 + 20 = ______
68 + 20 = ______
54 − 10 = ______
5 × 10 = ______
77 − 10 = ______
9 × 10 = ______
11 + 10 = ______
80 − 10 = ______
48 + 20 = ______
48 + 10 = ______
78 − 10 = ______
37 − 10 = ______
47 + 20 = ______
13 + 20 = ______
71 + 20 = ______
60 + 10 = ______
88 − 10 = ______
47 + 10 = ______
82 − 10 = ______
63 + 10 = ______
