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
9 × 10 = ______
27 + 20 = ______
36 + 10 = ______
35 + 20 = ______
31 − 10 = ______
27 − 10 = ______
3 × 10 = ______
78 − 10 = ______
31 + 10 = ______
82 − 10 = ______
60 + 20 = ______
2 × 10 = ______
63 + 20 = ______
87 − 10 = ______
57 + 20 = ______
8 × 10 = ______
37 − 10 = ______
38 − 10 = ______
6 × 10 = ______
33 − 10 = ______
