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
72 + 20 = ______
8 × 10 = ______
6 × 10 = ______
83 + 10 = ______
38 + 10 = ______
29 + 10 = ______
39 − 10 = ______
40 − 10 = ______
9 × 10 = ______
22 − 10 = ______
60 + 10 = ______
42 + 20 = ______
77 + 20 = ______
63 − 10 = ______
74 + 20 = ______
17 + 10 = ______
5 × 10 = ______
30 + 20 = ______
38 + 20 = ______
2 × 10 = ______
