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
18 + 20 = ______
11 + 10 = ______
45 + 10 = ______
73 + 20 = ______
57 + 10 = ______
4 × 10 = ______
49 + 20 = ______
7 × 10 = ______
66 + 10 = ______
2 × 10 = ______
74 − 10 = ______
28 + 20 = ______
54 + 10 = ______
55 − 10 = ______
60 + 20 = ______
60 + 10 = ______
72 − 10 = ______
64 + 10 = ______
31 + 10 = ______
82 + 10 = ______
