# Saxon math les 11 - 15

## Terms

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- line
- a straight collection of points extending in opposite directions without end
- line segment
- a part of a line with two distinct endpoints
- horizontal
- side to side
- product
- the result of multiplication
- 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
- integers
- the set of counting numbers, their opposites, and zero ( ...-2, -1, 0, 1, 2 ...)
- ray
- a part of a line that begins at a point and continues without end in one direction
- commutative property of multiplication
- changing the order of factors does not change their product (a x b = b x a)
- multiple
- a product of a counting number and another number
- property of zero for multiplication
- zero times any number is 0
- vertical
- upright; up and down
- factors
- any of the numbers multiplied in a multiplication problem
- geometry
- a major branch of mathematics that deals with shapes, sizes & other properties of figures
- oblique
- slanted or sloping; diagonal
- identity property of multiplication
- the product of any number and 1 is equal to the original number (a x 1 = a)
- negative numbers
- numbers less than zero