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
5 × 10 = ______
38 + 20 = ______
59 − 10 = ______
60 + 10 = ______
80 + 10 = ______
38 + 10 = ______
77 + 20 = ______
89 + 10 = ______
75 + 20 = ______
67 − 10 = ______
3 × 10 = ______
87 − 10 = ______
88 + 10 = ______
9 × 10 = ______
30 + 10 = ______
23 + 20 = ______
49 − 10 = ______
34 + 20 = ______
70 − 10 = ______
50 + 20 = ______
