Elementary Measurement Unit Key Vocabulary
Unit Key Vocabulary
Area – the amount of space an object occupies
Centimeter – a standard unit of length in the metric system equal to 1/100 of a meter (may be mentioned in Lesson 1 but not defined until Lesson 3)
Convert – to change
Distance ¬– the amount of space between two things, places, or people
Foot – a standard unit of length in the US Customary system equal to 12 inches
Height – the vertical (up and down) distance from the top of an object or figure to its base
Inch – a standard unit of length in the US Customary system equal to 1/12 of a foot
Length – a measurement of the distance from one point to another
Measure – to determine a quantity/amount
Measurement – a determined quantity/amount
Meter – a standard unit of length in the metric system equal to 100 centimeters (may be mentioned in Lesson 1 but not defined until Lesson 3)
Meter Stick – a usually wooden tool used to measure lengths of up to 1 meter
Nonstandard – not the same (e.g., the width of your thumb versus the width of my thumb) or not marked (e.g., a piece of string used to measure length)
Perimeter – the distance around a figure along its edges
Quantity – an amount of something
Rectangle – a 4-sided figure in which opposite sides are equal and angles measure 90º
Ruler ¬– a wooden or plastic tool used to measure lengths up to 12 inches
Square – a figure that has four equal sides and angles that measure 90º
Standardized – the same
Tape Measure – a tool consisting of a flexible ribbon of cloth or metal used to measure lengths up to several feet
Unit ¬– a set amount used to consistently determine quantities
US Customary System of Measurement – a system of measurement that includes units such as inches, feet, yards and miles (for length); also referred to as empirical units or English units; this system is not commonly used outside of the United States
Width – measurement of the distance from one side or edge to the opposite side or edge
Yard Stick – a usually wooden tool used to measure lengths up to 3 feet (1 yard)
