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
7 × 10 = ______
9 × 10 = ______
85 + 10 = ______
31 − 10 = ______
33 − 10 = ______
26 − 10 = ______
36 + 20 = ______
55 + 10 = ______
3 × 10 = ______
26 + 20 = ______
6 × 10 = ______
81 + 20 = ______
2 × 10 = ______
48 + 10 = ______
41 − 10 = ______
68 + 20 = ______
62 + 10 = ______
20 + 20 = ______
87 + 10 = ______
4 × 10 = ______
