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# Math - 5th Sept

### GSD Math Benchmark - 5th Grade September

composite number A number greater than 0 that has more than two different factors. The number 9 is a composite number because it has three factors: 1
prime number A whole number greater than 0 that has exactly two different factors
factor(s) The whole numbers that are multiplied to get a product. In 6 x 3 = 18
array An arrangement of objects in equal rows.
exponent The number that tells how many equal factors there are.
square number A number that is the result of multiplying an integer by itself. Any square number of dots can be arranged in a square array.
prime factorization A way to show a number as the product of prime factors. The prime factorization of 12 is 2 x 2 x 3.
Commutative Property Changing the order of the addends does not change the sum. Changing the order of the factors does not change the product.
area The measure in square units, of the inside of a plan figure.
point An exact location in space represented by a dot.
line A set of connected point continuing without end in both directions.
line segment A part of a line with two endpoints.
ray A part of a line that has one endpoint and goes on forever in one direction.
vertex The point at which two line segments
parallel lines Lines in the same plane that are always the same distance apart.
perpendicular lines Lines that form a right angle.
acute angle An angle with a measure less than 90 degrees.
right angle An angle that measures exactly 90 degrees.
obtuse angle An angle with a measure greater than 90 degrees.
straight angle An angle with a measure of 180 degrees.
range The difference between the greatest number and the least number in a set of numbers.
mode The number that appears most frequently in a set of numbers. There may be one
Created by: smondragon68