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
24 − 10 = ______
14 + 10 = ______
37 + 20 = ______
44 + 20 = ______
46 + 10 = ______
67 − 10 = ______
36 + 20 = ______
3 × 10 = ______
71 + 20 = ______
99 − 10 = ______
18 + 10 = ______
75 − 10 = ______
42 + 10 = ______
11 + 20 = ______
5 × 10 = ______
71 − 10 = ______
36 − 10 = ______
42 − 10 = ______
76 + 20 = ______
70 + 20 = ______
