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
98 − 10 = ______
42 + 20 = ______
25 − 10 = ______
11 + 10 = ______
6 × 10 = ______
2 × 10 = ______
5 × 10 = ______
31 − 10 = ______
9 × 10 = ______
34 + 10 = ______
64 − 10 = ______
80 + 10 = ______
22 + 10 = ______
36 + 20 = ______
82 + 10 = ______
43 + 20 = ______
46 − 10 = ______
44 − 10 = ______
71 + 20 = ______
4 × 10 = ______
