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
30 + 20 = ______
2 × 10 = ______
68 + 10 = ______
88 + 20 = ______
50 + 10 = ______
21 + 10 = ______
40 + 10 = ______
20 + 20 = ______
4 × 10 = ______
17 + 20 = ______
56 + 20 = ______
34 + 10 = ______
65 + 20 = ______
42 + 20 = ______
54 − 10 = ______
6 × 10 = ______
82 + 20 = ______
8 × 10 = ______
43 − 10 = ______
18 + 10 = ______
