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
9 × 10 = ______
8 × 10 = ______
49 + 20 = ______
33 − 10 = ______
80 + 20 = ______
2 × 10 = ______
35 + 20 = ______
52 + 10 = ______
58 + 20 = ______
69 + 20 = ______
78 + 20 = ______
1 × 10 = ______
47 + 10 = ______
64 − 10 = ______
86 + 20 = ______
6 × 10 = ______
21 − 10 = ______
40 − 10 = ______
3 × 10 = ______
87 + 20 = ______
