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
39 + 20 = ______
7 × 10 = ______
54 + 20 = ______
16 + 20 = ______
71 − 10 = ______
8 × 10 = ______
12 + 10 = ______
39 + 10 = ______
6 × 10 = ______
4 × 10 = ______
36 + 20 = ______
15 + 20 = ______
41 − 10 = ______
1 × 10 = ______
5 × 10 = ______
30 + 10 = ______
24 + 10 = ______
23 − 10 = ______
48 − 10 = ______
62 + 10 = ______
