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
8 × 10 = ______
84 − 10 = ______
6 × 10 = ______
41 − 10 = ______
3 × 10 = ______
65 + 10 = ______
71 + 20 = ______
7 × 10 = ______
69 + 10 = ______
41 + 20 = ______
4 × 10 = ______
88 + 10 = ______
62 + 10 = ______
27 + 10 = ______
42 − 10 = ______
81 + 20 = ______
66 + 10 = ______
33 + 20 = ______
63 − 10 = ______
18 + 10 = ______
