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
27 + 10 = ______
75 − 10 = ______
32 − 10 = ______
80 + 20 = ______
62 + 10 = ______
58 − 10 = ______
82 + 20 = ______
97 − 10 = ______
20 + 10 = ______
1 × 10 = ______
5 × 10 = ______
71 − 10 = ______
64 − 10 = ______
44 + 20 = ______
45 + 20 = ______
6 × 10 = ______
54 − 10 = ______
19 + 10 = ______
95 − 10 = ______
42 − 10 = ______
