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
29 − 10 = ______
49 + 20 = ______
28 + 20 = ______
67 + 20 = ______
1 × 10 = ______
6 × 10 = ______
14 + 20 = ______
51 − 10 = ______
82 − 10 = ______
58 − 10 = ______
83 + 20 = ______
23 + 20 = ______
2 × 10 = ______
76 + 20 = ______
72 + 10 = ______
74 − 10 = ______
18 + 20 = ______
8 × 10 = ______
3 × 10 = ______
38 − 10 = ______
