##### Across

**2.**A ratio or fraction with the denominator 100.**6.**Fractions with the same denominator.**9.**The bottom number of a fraction.**11.**Add up a series of numbers and divide the sum by the total number of values.**12.**Always a positive number, refers to the distance of a number from 0.**14.**A graph that represents data visually using bars of different heights or lengths.**15.**Line segments joined together to form a closed figure.**16.**The two-dimensional space taken up by an object or shape, given in square units.**17.**A six-sided and six-angled polygon.**20.**A polygon/shape with ten angles and ten straight lines.

##### Down

**1.**A quantity that is not whole that contains a numerator and denominator.**3.**A statement that shows the equality of two expressions by joining them with an equals sign.**4.**A factor shared by two or more numbers, are numbers that divide exactly into two different numbers.**5.**A quadrilateral with two sets of opposite sides that are parallel.**7.**An angle whose measure is between 0° and 90° or with less than 90° (or pi/2) radians.**8.**The study of lines, angles, shapes, and their properties.**10.**The branch of mathematics that substitutes letters for numbers to solve for unknown values.**13.**A number that divides into another number exactly. The factors of 10 are 1, 2, 5, and 10 (1 x 10, 2 x 5, 5 x 2, 10 x 1).**18.**The top number in a fraction.**19.**All whole numbers, positive or negative, including zero.