OML Search

Understand Area (Grade 3)

Related Topics:
Lesson Plans and Worksheets for Grade 3
Lesson Plans and Worksheets for all Grades
More Lessons for Grade 3
Common Core For Grade 3


Videos, examples, solutions, and lessons to help Grade 3 students learn to recognize area as an attribute of plane figures and understand concepts of area measurement.

A. A square with side length 1 unit, called “a unit square,” is said to have “one square unit” of area, and can be used to measure area.

B. A plane figure which can be covered without gaps or overlaps by n unit squares is said to have an area of n square units.

Common Core: 3.MD.5

Suggested Learning Targets

  • I can define a unit square.
  • I can define area as the measure of space within a plane figure and explain why area is measured in square units.
3.MD.5.a - The Square Unit (Area)
This video explains the concept behind area, which focuses on the unit square. This illustrates 3.MD.5.a in the grade 3 Common Core Standards for Mathematics.



3.MD.5.b - Cover a Plane Figure with Square Units (Area)
This video explains how to find the area of a plane (flat) figure by covering it with square units. This is the basic process behind finding the area of a plane figure, which illustrates 3.MD.5.b in the grade 3 Common Core Standards for Mathematics. 3 MD 5
In this lesson, you will learn how to determine the area of a shape in square units. Measuring Area Using Square Units Introduction to area and unit squares

Check out our most popular games!

Fraction Concoction Game:
Master fractions in the lab: mix, add, and subtract beakers to create the perfect concoction!

Fraction Concoction Game

Fact Family Game:
Complete fact families and master the link between addition & subtraction and multiplication & division.

Fact Family Game

Number Bond Garden:
Clear the board by matching number pairs that sum to ten in this garden-themed mental math puzzle.

Number Bond Garden

Online Addition Subtraction Game:
Practice your addition and subtraction skills to help the penguin find its mummy.

Online Addition Subtraction Game


OML Search


We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.