Math 3: Area

If you want to replace that bit of carpet you just spilled ketchup on before your mom gets home, you might need to know a little something about measuring area.

3rd GradeMath
Elementary and Middle School3rd Grade
LanguageEnglish Language

Transcript

00:30

won't help Bob get his life together though poor, poor Bob anyway area is the

00:34

measure of the surface of an object or space for example let's take a look at [a large swimming pool]

00:38

this pool as you might know the pool perimeter is the distance around the

00:41

pool but the pools areas the entire surface of the pool aka where all the

00:45

water is in other words it's in the pools area that people tend to have the [people in a pool with sparklers]

00:49

most fun except all those folks you really enjoyed pacing around the

00:51

perimeter to each their own since area isn't a measure of length but rather of

00:56

surface area we measure it in square units for example we can measure our [a swimming pool and a large measuring ruler]

01:00

pool surface area in square feet we can think about its surface as being covered

01:04

by a big grid where each square represents one square foot don't worry

01:08

we'll take the grid out once it's time to swim treading water in a tiny box [a man stood in a pool with square grids]

01:11

isn't super fun when we say that each square represents a square foot what we mean

01:15

that each square is one foot long and one foot wide and if we count up all the [a grid depicting the square feet of a swimming pool]

01:19

squares will get the total area measured in square feet with its length of 20

01:23

feet and it's with the 15 feet this pool in particular has a total area of 300

01:28

square feet and sure counting squares might not be the most fun game you can [finger counting smiley faced squares in a swimming pool]

01:32

play in a pool but try and measure an area by playing Marco Polo yeah not so

01:37

easy is it

01:40

you