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
53 + 20 = ______
84 − 10 = ______
88 + 20 = ______
77 + 20 = ______
3 × 10 = ______
68 + 10 = ______
29 + 10 = ______
75 + 20 = ______
73 − 10 = ______
88 + 10 = ______
43 − 10 = ______
45 + 10 = ______
81 − 10 = ______
50 + 10 = ______
5 × 10 = ______
34 + 20 = ______
9 × 10 = ______
39 + 10 = ______
73 + 20 = ______
4 × 10 = ______
