Finding Side Length (Given Area)

This Finding Side Length (Given Area) worksheet also includes:

Area is the amount of space that takes up the inside of a figure. To find the area of a rectangle, one must multiply the length by the width. Here, third graders are challenged to find the missing side length, given the area.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Students can tile the rectangles to show their understanding of finding area
Classroom Considerations
  • It is helpful for students to know their multiplication facts and how is is related to finding area
  • Each worksheet has 15 problems for solving
  • All 10 versions of the worksheets include answer keys
  • Pupils are impelled to expand their thinking of area by working backward
  • None
Common Core