Start a 10-Day Free Trial to Unlock the Full Review

Why Lesson Planet?

Find quality lesson planning resources, fast!
Share & remix collections to collaborate.
Organize your curriculum with collections. Easy!
Have time to be more creative & energetic with your students!

Multiplying by 20 by Doubling

In this math instructional activity, students learn to multiply by 20 using an easy doubling formula. Students think of a 2 digit number and write it in the box. Following the detailed instructions, students fill out the graphic chart.

3 Views 3 Downloads
Resource Details

Grade
3rd - 4th
Subjects
Math
1 more...
Resource Types
Worksheets
1 more...