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
6 × 10 = ______
1 × 10 = ______
86 + 20 = ______
3 × 10 = ______
64 − 10 = ______
59 + 10 = ______
73 − 10 = ______
50 + 20 = ______
60 + 20 = ______
26 − 10 = ______
33 + 20 = ______
82 − 10 = ______
52 − 10 = ______
23 + 10 = ______
62 − 10 = ______
77 + 20 = ______
46 + 10 = ______
35 − 10 = ______
79 − 10 = ______
5 × 10 = ______
