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
84 + 20 = ______
72 + 10 = ______
50 + 10 = ______
64 − 10 = ______
16 + 20 = ______
66 + 10 = ______
38 + 20 = ______
29 + 10 = ______
1 × 10 = ______
3 × 10 = ______
26 − 10 = ______
79 − 10 = ______
65 + 10 = ______
87 + 20 = ______
16 + 10 = ______
6 × 10 = ______
7 × 10 = ______
26 + 20 = ______
79 + 10 = ______
8 × 10 = ______
