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
68 − 10 = ______
45 + 10 = ______
18 + 20 = ______
48 + 10 = ______
52 + 10 = ______
83 − 10 = ______
40 + 20 = ______
30 + 20 = ______
50 + 10 = ______
6 × 10 = ______
32 + 20 = ______
48 + 20 = ______
87 + 20 = ______
82 − 10 = ______
71 − 10 = ______
64 − 10 = ______
65 − 10 = ______
19 + 10 = ______
71 + 20 = ______
9 × 10 = ______
