area

The amount of square units needed to cover a figure. The area of this shape is 6 square units.

centimeter

A small unit of metric measurement. Benchmark: across your pinky nail

The abbreviation for centimeter is cm.

cup

A cup is a small customary unit of liquid capacity. The milk cartons you buy in the cafeteria hold 1 cup of milk. The abbreviation for cup is c.

degrees

units used to measure temperature

Celsius or Fahrenheit

estimate

A close guess of the actual value, usually with some thought or calculation involved.

foot

A customary unit of measure for length.

12 inches = 1 foot

The abbreviation for foot is ft.

gallon

A customary unit of measure for liquid capacity.

1 gallon = 4 quarts

gram

A metric unit of mass. One sheet of paper = 1 gram.

The abbreviation for gram is g.

inch

A customary unit of measure for length. 1 inch = from your knuckle to the end of your thumb.

The abbreviation for inch is in.

kilogram

A metric unit of mass. 1 kilogram = the weight of 1 math book

The abbreviation for kilogram is kg

kilometer

A large metric unit of length. 1 kilometer = 1000 meters

The abbreviation for kilometer is km

length

the distance between 2 points, how long something is,

the distance from one end to the other

liter

A metric unit of capacity. Pop comes in 2 liter bottles.

The abbreviation for liter is L.

meter

A metric unit of length. 100 centimeters = 1 meter

It is about 1 meter from the floor to a door knob.

The abbreviation for meter is m.

mile

A large customary unit of length. Miles are used to measure the distance between cities. The abbreviation for mile is m.

ounce

An ounce is a small customary unit of weight. A key weighs about 1 ounce.

The abbreviation for ounce is oz.

perimeter

The distance around the outside of a shape. Perimeter is measured in units. Add the lengths of all the sides to get the perimeter.

pounds

A customary unit for weight. 1 pound is able the weight of a loaf of bread.

The abbreviation for pound is lb.

quart

A customary measure for capacity. 1 quart = 2 pints

4 quarts = 1 gallon

The abbreviation for quart is qt.

volume

capacity

The volume of a container measured in liquid units

Customary: cup, pint, quart, gallon

Metric: milliliter, liter

weight

mass

How heavy an object is

Customary: ounces, pounds, tons

Metric: grams, kilograms

yard

A customary unit of length. 1 yard = 3 feet or 36 inches

The abbreviation for yard is yd.

a.m.

Is the half of the day from midnight to midday. What we call night and morning.

It comes from the Latin "Ante Meridiem"

p.m.

Is the half of the day from Midday to Midnight.

What we call afternoon and evening.

It comes from the Latin "Post Meridiem" for "after midday".

elapsed time

The amount of time between the beginning and the end of an event

pint

A customary measure of liquid capacity. You would need to buy 2 cartons of milk in the cafeteria to get a pint of milk.

The abbreviation for pint is pt.

temperature

balance scale

set of scales used to measure weight

Celcius

metric unit for measuring temperature

Fahrenheit

customary unit for measuring temperature

quarter hour

15 minutes before or after the hour