Area

5 videos
7 skills
Area is how we think about how much space something takes in two dimensions, such as comparing how much land one property takes up versus another. In this tutorial, we'll take a conceptual look at how area is actually measured (especially for rectangles).

Introduction to area and unit squares

VIDEO 4:17 minutes
Cover figures with square units to find their area.

Measuring the same rectangle with different unit squares

VIDEO 3:44 minutes
Find area of a rectangle with different sized units.

Understanding area

PRACTICE PROBLEMS
Use square units to cover figures without gaps or overlaps. Compare the amount of unit squares that cover two figures.

Measuring area with unit squares

PRACTICE PROBLEMS
Count unit squares that cover irregular shaped figures to find area.

Find area by counting unit squares

PRACTICE PROBLEMS
Find the area of shapes by counting the unit squares inside them.

Finding area by multiplying

PRACTICE PROBLEMS
Find area of rectangles by multiplying side-lengths.

Comparing areas of plots of land

VIDEO 2:46 minutes
Find area of two rectangles to solve a word problem.

Comparing areas by multiplying

PRACTICE PROBLEMS
Compare the areas of rectangles represented in images or contexts.

Area of rectangles and the distributive property

VIDEO 3:49 minutes
Use the distributive property to find area of rectangles.

Area and the distributive property

PRACTICE PROBLEMS
Use area models to represent the distributive property in finding area of rectangles.

Calculating the square footage of a house

VIDEO 6:04 minutes
Decompose an irregular shape to find area of entire figure.

Decompose shapes to find area

PRACTICE PROBLEMS
Decompose irregular shapes to find their area.