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
17 + 20 = ______
64 + 10 = ______
19 + 10 = ______
25 + 20 = ______
72 − 10 = ______
35 + 10 = ______
8 × 10 = ______
90 − 10 = ______
27 − 10 = ______
2 × 10 = ______
85 − 10 = ______
82 + 10 = ______
41 + 20 = ______
33 + 10 = ______
5 × 10 = ______
48 + 10 = ______
59 − 10 = ______
71 + 10 = ______
26 − 10 = ______
89 − 10 = ______
