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
36 + 20 = ______
74 + 20 = ______
31 − 10 = ______
5 × 10 = ______
82 − 10 = ______
54 − 10 = ______
42 − 10 = ______
29 + 10 = ______
4 × 10 = ______
6 × 10 = ______
80 + 10 = ______
38 + 10 = ______
44 + 20 = ______
7 × 10 = ______
55 + 20 = ______
80 − 10 = ______
26 + 20 = ______
65 + 20 = ______
65 + 10 = ______
36 − 10 = ______
