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
80 − 10 = ______
90 − 10 = ______
6 × 10 = ______
33 + 10 = ______
2 × 10 = ______
73 + 10 = ______
21 + 20 = ______
85 − 10 = ______
79 + 20 = ______
1 × 10 = ______
35 + 10 = ______
71 + 10 = ______
81 + 20 = ______
46 + 20 = ______
9 × 10 = ______
31 + 10 = ______
74 + 10 = ______
8 × 10 = ______
52 − 10 = ______
30 − 10 = ______
