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
41 + 20 = ______
55 − 10 = ______
20 + 10 = ______
5 × 10 = ______
15 + 20 = ______
4 × 10 = ______
41 − 10 = ______
11 + 20 = ______
1 × 10 = ______
26 − 10 = ______
34 + 10 = ______
82 − 10 = ______
22 + 20 = ______
69 − 10 = ______
30 + 20 = ______
60 − 10 = ______
9 × 10 = ______
53 + 20 = ______
35 + 10 = ______
78 − 10 = ______
