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
82 + 20 = ______
35 + 20 = ______
1 × 10 = ______
23 + 10 = ______
43 − 10 = ______
61 − 10 = ______
25 + 10 = ______
36 + 10 = ______
72 + 20 = ______
14 + 10 = ______
15 + 10 = ______
76 + 20 = ______
12 + 10 = ______
26 − 10 = ______
23 + 20 = ______
51 − 10 = ______
6 × 10 = ______
46 − 10 = ______
68 + 10 = ______
43 + 20 = ______
