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
33 + 10 = ______
23 + 10 = ______
65 + 10 = ______
9 × 10 = ______
67 + 20 = ______
68 + 20 = ______
3 × 10 = ______
8 × 10 = ______
68 − 10 = ______
51 + 20 = ______
6 × 10 = ______
42 + 20 = ______
66 + 20 = ______
16 + 20 = ______
45 − 10 = ______
52 + 20 = ______
26 + 10 = ______
87 − 10 = ______
90 − 10 = ______
82 + 10 = ______