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
3 × 10 = ______
2 × 10 = ______
66 + 20 = ______
81 + 10 = ______
7 × 10 = ______
30 + 20 = ______
29 + 20 = ______
23 − 10 = ______
1 × 10 = ______
6 × 10 = ______
69 + 20 = ______
50 + 20 = ______
8 × 10 = ______
26 − 10 = ______
21 + 10 = ______
59 + 20 = ______
15 + 10 = ______
83 + 10 = ______
62 − 10 = ______
29 + 10 = ______
