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
18 + 20 = ______
88 + 10 = ______
31 − 10 = ______
81 + 20 = ______
17 + 10 = ______
2 × 10 = ______
5 × 10 = ______
29 + 10 = ______
85 − 10 = ______
54 + 10 = ______
21 + 10 = ______
4 × 10 = ______
72 + 10 = ______
17 + 20 = ______
28 − 10 = ______
48 + 10 = ______
60 − 10 = ______
68 − 10 = ______
82 + 20 = ______
95 − 10 = ______
