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
43 + 10 = ______
40 + 20 = ______
56 + 20 = ______
25 + 20 = ______
15 + 10 = ______
4 × 10 = ______
37 + 20 = ______
82 + 10 = ______
18 + 20 = ______
8 × 10 = ______
57 − 10 = ______
40 − 10 = ______
50 + 20 = ______
79 − 10 = ______
83 − 10 = ______
15 + 20 = ______
54 − 10 = ______
57 + 20 = ______
80 − 10 = ______
34 + 10 = ______
