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 + 20 = ______
69 + 10 = ______
22 + 10 = ______
35 + 10 = ______
41 − 10 = ______
6 × 10 = ______
91 − 10 = ______
19 + 20 = ______
33 + 10 = ______
2 × 10 = ______
49 + 20 = ______
7 × 10 = ______
82 + 20 = ______
3 × 10 = ______
38 + 20 = ______
61 + 10 = ______
59 + 10 = ______
27 − 10 = ______
56 + 10 = ______
71 + 20 = ______
