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
7 × 10 = ______
8 × 10 = ______
9 × 10 = ______
4 × 10 = ______
5 × 10 = ______
76 + 20 = ______
85 + 20 = ______
82 + 20 = ______
23 + 20 = ______
77 − 10 = ______
84 − 10 = ______
40 − 10 = ______
79 − 10 = ______
17 + 20 = ______
37 + 10 = ______
6 × 10 = ______
72 + 10 = ______
56 + 20 = ______
53 + 10 = ______
93 − 10 = ______
