two angles have a sum of 180

(a)  

running side to side

(a)  

angle whose measure is less than 90 degrees

(a)  

value of a variable that makes an equation true

(a)  

a mathematical sentence with an equal sign

(a)  

"flipping" of a fraction

(a)  

in a right triangle, the side opposite the right angle

(a)  

the average of a data set

(a)  

a parallelogram with four congruent sides

(a)  

set of whole numbers (positive, negative, and zero)

(a)  

distance around a circle

(a)  

a triangle with no congruent sides

(a)  

"middle" of a circle

(a)  

the data that appears the most in a data set

(a)  

segment from edge to edge through the center of a circle

(a)  

a parallelogram with four right angles

(a)  

the outcome of addition

(a)  

number of square units inside a figure

(a)  

the exact same or equal

(a)  

 $a^2+b^2=c^2$  

(a)  

lines that will never touch or intersect

(a)  

distance around a polygon

(a)  

lines that intersect at a 90 degree or right angle

(a)  

a number that has two factors, 1 and itself

(a)  

the outcome of multiplication

(a)  

a polygon with five sides

(a)  

a polygon with four sides

(a)  

a triangle with two congruent sides

(a)  

two angles with a sum of 90

(a)  

a parallelogram with four congruent sides and angles

(a)  

a mathematical sentence without an equal sign

(a)  

tells how many times to multiply a number

(a)  

a letter that stands in place for a number

(a)  

angles that share a side and vertex or next to

(a)  

a polygon with six sides

(a)  

Simplify the expression:

 $7\left(3+6\right)-14+22\times2$  

(a)  

Simplify the expression:

 $6^2+3^3-11\left(2+1\right)$  

(a)  

Simplify the expression:

 $4\div2+4\left(7-2\right)$  

(a)  

Simplify the expression:

 $8-3^2\left(8-9\right)+2\times4$  

(a)  

Simplify the expression:

 $\left(3+7\right)\left(4-2\right)3-4+5^2$  

(a)