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
5 × 10 = ______
50 − 10 = ______
41 + 20 = ______
57 + 10 = ______
7 × 10 = ______
53 + 10 = ______
84 − 10 = ______
9 × 10 = ______
66 + 10 = ______
48 + 20 = ______
1 × 10 = ______
28 + 20 = ______
77 − 10 = ______
21 − 10 = ______
87 + 20 = ______
78 − 10 = ______
82 − 10 = ______
55 − 10 = ______
2 × 10 = ______
59 + 10 = ______
