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M3 - ME in Measurement
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Terms in this set (20)
accuracy
How correctly a measurement has been made.
centimeter
A metric unit of length. (100 cm = 1 m)
measurement benchmark
The length of a familiar object that will help you estimate other lengths more easily.
millimeter
A metric unit of length.
(10 mm = 1 cm; 1000 mm = 1 m)
rounding
Finding an appropriate value for a number.
Close in value but not precise.
average
A value used to indicate what is typical. The median or middle number when putting numbers in order from smallest to greatest is one way to find the average.
dimension
The measure of the size of the length, width or height of an object.
doubling
Making something two times as long as the original.
area
The region inside the boundaries of a two-dimensional closed figure measured in square units
perimeter
the measure of the distance around the outside of an enclosed shape
polygon
a closed two-dimensional figure formed by line segments
prime number
a number that has only two unique factors - 1 and itself
rectangle
a four-sided polygon with four right angles and opposite sides parallel and equal in measure
square
a special kind of rectangle that has four equal sides
square foot
a square unit that is one foot on each side
place value
the value of a digit depending on its place in a number
digit
the symbol used to show a number
difference
the answer to a subtraction problem
median
the middle value in a set of numbers when they are organized in numerical order
hypothesis
a statement of what you predict the outcome of an event or experiment
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