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
7 × 10 = ______
21 − 10 = ______
53 + 10 = ______
5 × 10 = ______
11 + 10 = ______
74 + 20 = ______
83 − 10 = ______
49 + 20 = ______
69 + 20 = ______
50 + 10 = ______
73 + 20 = ______
88 + 20 = ______
42 + 20 = ______
17 + 20 = ______
6 × 10 = ______
79 + 20 = ______
2 × 10 = ______
9 × 10 = ______
22 + 10 = ______
66 − 10 = ______
