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general terms about math

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38 Terms

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multiple

the number we get when we multiply one number by another

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factor

the numbers multiplied together to get a product

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prime number

the only factors of this number are one and itself

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composite number

this number has more than two factors

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product

the answer to a multiplication problem

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difference

the answer to a subtraction problem

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quotient

the answer to a division problem

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sum

the answer to an addition problem

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determine

to make a decision

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place value

The value of where the digit is in the number.

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commutative property

The Commutative property states that order does not matter. Multiplication and addition are commutative.

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demonstrate

show

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standard algorithm

a step-by-step way to solve a problem

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strategy

a way of solving a problem

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perimeter

the distance around an object

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area

the surface space an object covers

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convert

to change

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formula for perimeter

add up all the sides

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formula for the area of a quadrilateral

l x w

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right angle

90 degree angle

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acute angle

angle that is less than 90 degrees

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obtuse angle

angle that is more than 90 degrees

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straight angle

180 degree angle

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protractor

a tool used to measure angles

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ray

A part of a line, with one endpoint, that continues without end in one direction

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vertex

A point where two or more straight lines meet.

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angle

A figure formed by two rays with a common endpoint

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perpendicular lines

Two lines that intersect to form right angles

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parallel lines

lines in the same plane that never intersect

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symmetry

having the same shape, size, and position on both sides of a dividing line

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congruent

Having the same size and shape

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decompose

break down into smaller parts

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point

a dot that represents a location in space

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line segment

a straight figure with two end points

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line

a straight figure that extends infinitely in both directions

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intersecting lines

two lines that intersect forming two acute angles and two obtuse angles.

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trapezoid

a closed shape that has at least one pair of parallel lines

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polygon

a closed figure with at least 3 sides