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
38 + 20 = ______
11 + 10 = ______
7 × 10 = ______
29 + 20 = ______
90 − 10 = ______
46 + 20 = ______
73 − 10 = ______
34 − 10 = ______
1 × 10 = ______
42 + 10 = ______
40 + 20 = ______
9 × 10 = ______
20 + 20 = ______
42 + 20 = ______
95 − 10 = ______
50 + 20 = ______
60 − 10 = ______
39 − 10 = ______
35 + 10 = ______
33 + 20 = ______
