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 = ______
47 − 10 = ______
7 × 10 = ______
2 × 10 = ______
50 − 10 = ______
48 + 20 = ______
19 + 20 = ______
6 × 10 = ______
4 × 10 = ______
76 + 10 = ______
38 − 10 = ______
82 + 10 = ______
54 + 20 = ______
31 + 10 = ______
22 + 10 = ______
21 + 20 = ______
65 + 20 = ______
16 + 20 = ______
40 − 10 = ______
77 + 20 = ______
