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
15 + 20 = ______
25 + 20 = ______
53 + 10 = ______
69 + 20 = ______
13 + 20 = ______
82 + 10 = ______
65 + 10 = ______
36 − 10 = ______
60 + 10 = ______
9 × 10 = ______
69 + 10 = ______
8 × 10 = ______
4 × 10 = ______
48 + 20 = ______
30 + 10 = ______
6 × 10 = ______
42 + 10 = ______
5 × 10 = ______
29 − 10 = ______
80 − 10 = ______
