###
US customary system

a measuring system used in the United States to measure length. inch, foot, yard, and mile

###
inch

customary unit to measure the smallest lengths (length of a paper clip)

###
foot

customary unit to measure smaller lengths (length of a man's shoe or a loaf of bread)

###
yard

customary unit to measure longer units (width of a door)

###
mile

customary unit to measure the longest distances (driving distance, length of 15 football fields)

###
Metric system

a measuring system that is used for measuring length. millimeter, centimeter, meter, and kilometer

###
millimeter

metric unit to measure very small objects (thickness of a dime)

###
centimeter

metric unit to measure small objects (thickness of a crayon)

###
meter

standard unit for length, metric unit to measure longer objects (width of a door)

###
kilometers

a metric unit to measure the longest distances (driving distance, length of 10 football fields)

###
one foot

is equal to 12 inches

###
one yard

is equal to 3 feet

###
one yard

is equal to 36 inches

###
one centimeter

is equal 10 millimeters

###
one meter

equal to 100 centimeters

###
1 liter

equal to 1,000 milliliters, example: a water bottle

###
capacity

the amount a container will hold when filled

###
kilogram

1,000 grams, example: about the weight of a dictionary

###
container

any object that can be used to hold things

###
mass

the amount of matter in an object

###
length

the measure of a distance between two points, section of something that is long and narrow

###
weight

a unit used to measure weight to measure heaviness or mass (grams, kilograms, ounces, pounds)

###
interval

the distance between things, time or space between two events or objects

###
measure

how much there is of something that you can quantify

###
measurement

The size, length, or amount of something, as established by measuring

###
balance scale

an tool used to measure weight, a tool used to compare the mass of two objects

###
ruler

measuring stick with a straight edge that is used for drawing straight lines and measuring lengths

###
distance

size of the gap between two places

###
gram

standard unit for weight, (paper clip)

### Please allow access to your computer’s microphone to use Voice Recording.

## We can’t access your microphone!

### Click the icon above to update your browser permissions and try again

Example:

### Reload the page to try again!

Reload

## Press Cmd-0 to reset your zoom

## Press Ctrl-0 to reset your zoom

### It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

## Your microphone is muted

### For help fixing this issue, see this FAQ.