Math Vocabulary Congruent Same size same shape polygon
Math Vocabulary
Congruent Same size, same shape
polygon A closed, straight sided figure
quadrilateral A four sided shape
pentagon A five sided shape
hexagon A six sided shape
octagon An eight sided shape
symmetrical A figure that has both sides match each other exactly
line of symmetry A figure that has both sides match each other exactly
perimeter The distance around a figure
area The number of square units needed to cover a surface
vertex/ vertices A corner/ corners
face The flat side of a solid shape
edge The line where two faces of a solid figure meet
sum The answer to an addition problem
difference The answer to a subtraction problem
product The answer to a multiplication problem
quotient The answer to a division problem
estimate or about Round and then solve
whole numbers The set of counting numbers and zero
dozen a set of 12
expanded form A way to write numbers that shows the value of each digit
standard form Writing a number using numerals
array An arrangement of objects in equal rows and columns
digit The symbols used to write numbers
number sentence / number expression An addition, subtraction, multiplication, or division sentence
increase To get larger
decrease To get smaller
capacity A measure of the amount of liquid a container will hold
gram A unit used to measure weight
ounce A unit used to measure weight mouse
pound A unit used to measure weight
centimeter A metric unit used to measure length
inch A customary unit used to measure length 1 inch
foot A customary unit used to measure length 1 foot
yard A customary unit used to measure length 1 yard
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