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
4 × 10 = ______
9 × 10 = ______
80 − 10 = ______
3 × 10 = ______
46 + 10 = ______
61 − 10 = ______
24 − 10 = ______
6 × 10 = ______
2 × 10 = ______
45 − 10 = ______
74 + 20 = ______
77 − 10 = ______
74 − 10 = ______
8 × 10 = ______
91 − 10 = ______
64 − 10 = ______
47 + 20 = ______
59 + 20 = ______
81 + 20 = ______
27 + 20 = ______
