How can we help?

You can also find more resources in our Help Center.

geometry

a major branch of mathematics that deals with shapes, sizes & other properties of figures

integers

the set of counting numbers, their opposites, and zero ( ...-2, -1, 0, 1, 2 ...)

line

a straight collection of points extending in opposite directions without end

line segment

a part of a line with two distinct endpoints

negative numbers

numbers less than zero

commutative property of multiplication

changing the order of factors does not change their product (a x b = b x a)

factors

any of the numbers multiplied in a multiplication problem

identity property of multiplication

the product of any number and 1 is equal to the original number (a x 1 = a)

multiple

a product of a counting number and another number

product

the result of multiplication

property of zero for multiplication

zero times any number is 0

horizontal

side to side

vertical

upright; up and down

oblique

slanted or sloping; diagonal

ray

a part of a line that begins at a point and continues without end in one direction

point

an exact position (on a line or plane)

number line

a line for representing and graphing numbers. Each point on the line corresponds to a number