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
50 − 10 = ______
53 + 10 = ______
65 + 20 = ______
2 × 10 = ______
18 + 20 = ______
81 − 10 = ______
79 + 10 = ______
4 × 10 = ______
7 × 10 = ______
88 − 10 = ______
72 + 10 = ______
20 + 20 = ______
28 + 10 = ______
77 + 20 = ______
67 + 10 = ______
35 + 20 = ______
71 − 10 = ______
87 + 20 = ______
75 + 20 = ______
40 + 10 = ______
