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
64 − 10 = ______
46 + 20 = ______
94 − 10 = ______
72 + 10 = ______
27 − 10 = ______
17 + 10 = ______
69 + 20 = ______
64 + 10 = ______
54 + 10 = ______
98 − 10 = ______
45 + 20 = ______
4 × 10 = ______
67 + 20 = ______
79 − 10 = ______
8 × 10 = ______
21 + 10 = ______
17 + 20 = ______
81 − 10 = ______
18 + 10 = ______
27 + 20 = ______
