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
57 − 10 = ______
27 − 10 = ______
50 − 10 = ______
62 + 20 = ______
65 + 20 = ______
42 − 10 = ______
25 − 10 = ______
22 + 20 = ______
81 − 10 = ______
55 + 20 = ______
58 − 10 = ______
19 + 20 = ______
6 × 10 = ______
62 − 10 = ______
1 × 10 = ______
4 × 10 = ______
5 × 10 = ______
31 + 10 = ______
26 − 10 = ______
81 + 10 = ______
