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
86 + 20 = ______
6 × 10 = ______
85 + 20 = ______
46 − 10 = ______
9 × 10 = ______
47 + 10 = ______
64 − 10 = ______
86 − 10 = ______
25 + 10 = ______
82 − 10 = ______
49 + 10 = ______
31 + 20 = ______
88 − 10 = ______
5 × 10 = ______
8 × 10 = ______
12 + 10 = ______
85 − 10 = ______
4 × 10 = ______
26 + 20 = ______
13 + 10 = ______