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
81 + 10 = ______
83 − 10 = ______
88 − 10 = ______
21 − 10 = ______
5 × 10 = ______
96 − 10 = ______
44 + 10 = ______
35 − 10 = ______
4 × 10 = ______
8 × 10 = ______
46 + 20 = ______
7 × 10 = ______
80 + 20 = ______
30 + 10 = ______
22 − 10 = ______
3 × 10 = ______
48 + 10 = ______
82 − 10 = ______
74 + 20 = ______
2 × 10 = ______
