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
6 × 10 = ______
65 − 10 = ______
84 + 10 = ______
83 + 20 = ______
8 × 10 = ______
7 × 10 = ______
70 + 20 = ______
20 + 10 = ______
4 × 10 = ______
28 + 20 = ______
2 × 10 = ______
37 − 10 = ______
67 − 10 = ______
9 × 10 = ______
35 + 20 = ______
79 + 20 = ______
54 − 10 = ______
60 + 20 = ______
64 + 10 = ______
36 + 20 = ______
