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
84 − 10 = ______
29 − 10 = ______
2 × 10 = ______
14 + 20 = ______
5 × 10 = ______
52 − 10 = ______
58 − 10 = ______
59 − 10 = ______
82 + 20 = ______
15 + 20 = ______
56 − 10 = ______
70 − 10 = ______
88 − 10 = ______
74 + 20 = ______
7 × 10 = ______
31 + 20 = ______
6 × 10 = ______
43 − 10 = ______
1 × 10 = ______
49 + 10 = ______
