Printable Paper Rulers
In this math resource instructional activity, students can print out paper rulers. They choose between 20 different rulers that are different widths, and are delineated with standard or metric measurements.
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Math Lesson Plan: How to Calculate Area
Define area and calculate the area of squares and rectangles with your class. The lesson plan begins with direct instruction, but learners get some hands-on practice finding area, too. They measure construction paper shapes with a ruler.
3rd - 6th Math CCSS: Adaptable