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 + 10 = ______
81 + 20 = ______
24 − 10 = ______
51 + 20 = ______
2 × 10 = ______
16 + 20 = ______
1 × 10 = ______
29 − 10 = ______
69 + 10 = ______
32 + 10 = ______
80 + 20 = ______
35 − 10 = ______
78 + 10 = ______
62 + 10 = ______
30 − 10 = ______
81 − 10 = ______
82 + 10 = ______
79 + 10 = ______
9 × 10 = ______
6 × 10 = ______
