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
46 − 10 = ______
19 + 20 = ______
55 + 20 = ______
9 × 10 = ______
74 − 10 = ______
20 + 20 = ______
71 + 20 = ______
34 + 20 = ______
69 + 20 = ______
3 × 10 = ______
15 + 10 = ______
82 − 10 = ______
35 − 10 = ______
54 − 10 = ______
62 + 10 = ______
53 − 10 = ______
35 + 20 = ______
79 + 10 = ______
61 + 10 = ______
18 + 10 = ______
