I

identity property :when you add or subtract 0 from a number the number stays the same think of your identity and that you can't add anything to you

inverse property :when you add or subtract a possitive number from a the same but negative number

input:a number that is being added,subtracted,multiplied or divided to get the output

intersecting lines:when two lines intersect they cross at an acute and obtuse angles, otherwise known as perpendicular lines.

Inches:a unit used to measure 10 millimeters

Interior:the inside of an angle

__ in: __ A word to look for when dividing

__ ﻿income __

Improper fraction