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
23 + 20 = ______
27 + 10 = ______
23 + 10 = ______
13 + 20 = ______
3 × 10 = ______
1 × 10 = ______
8 × 10 = ______
51 − 10 = ______
58 + 20 = ______
65 + 20 = ______
6 × 10 = ______
76 − 10 = ______
28 + 20 = ______
85 − 10 = ______
82 + 10 = ______
94 − 10 = ______
47 − 10 = ______
59 − 10 = ______
68 − 10 = ______
49 + 10 = ______
