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 = ______
42 + 20 = ______
21 + 10 = ______
43 − 10 = ______
91 − 10 = ______
2 × 10 = ______
5 × 10 = ______
82 + 20 = ______
81 + 20 = ______
43 + 10 = ______
86 + 10 = ______
9 × 10 = ______
34 − 10 = ______
3 × 10 = ______
32 + 10 = ______
40 + 20 = ______
67 − 10 = ______
37 + 20 = ______
54 + 10 = ______
16 + 10 = ______
