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
89 + 20 = ______
82 − 10 = ______
4 × 10 = ______
15 + 10 = ______
3 × 10 = ______
87 − 10 = ______
13 + 10 = ______
88 + 10 = ______
1 × 10 = ______
73 − 10 = ______
94 − 10 = ______
83 + 20 = ______
2 × 10 = ______
9 × 10 = ______
43 − 10 = ______
8 × 10 = ______
67 − 10 = ______
78 + 10 = ______
71 − 10 = ______
6 × 10 = ______
