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
9 × 10 = ______
44 + 20 = ______
26 + 20 = ______
65 + 10 = ______
31 − 10 = ______
34 + 10 = ______
5 × 10 = ______
89 + 20 = ______
1 × 10 = ______
81 + 10 = ______
6 × 10 = ______
84 − 10 = ______
32 + 10 = ______
82 + 10 = ______
29 − 10 = ______
22 + 20 = ______
36 + 20 = ______
16 + 20 = ______
34 + 20 = ______
2 × 10 = ______
