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
11 + 20 = ______
69 + 10 = ______
7 × 10 = ______
6 × 10 = ______
54 − 10 = ______
11 + 10 = ______
83 + 10 = ______
81 + 10 = ______
64 − 10 = ______
1 × 10 = ______
33 + 20 = ______
60 − 10 = ______
27 − 10 = ______
5 × 10 = ______
2 × 10 = ______
23 + 20 = ______
61 + 20 = ______
3 × 10 = ______
34 + 20 = ______
42 + 10 = ______