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
40 − 10 = ______
82 + 10 = ______
50 + 20 = ______
69 + 20 = ______
79 + 20 = ______
64 + 10 = ______
59 + 10 = ______
61 + 10 = ______
14 + 10 = ______
44 − 10 = ______
75 + 20 = ______
55 + 10 = ______
1 × 10 = ______
13 + 10 = ______
3 × 10 = ______
34 + 10 = ______
7 × 10 = ______
81 + 20 = ______
75 + 10 = ______
73 + 20 = ______
