| A | B |
|---|
| table | shows mathematical information numerically |
| graph | shows mathematical information visually |
| concept map | a visual summary that helps you remember the connections between ideas |
| variable | a symbol, usually a letter, that represents a number |
| variable expression | an expression that contains a varaible |
| evaluate | to find the value of a variable expression when a number is substituted for the variable |
| factors | each number or variable that are multiplied together to get a product |
| power | a number that is used as a factor a given number of times |
| conjecture | a guess based on past experiences |
| counterexample | an example that shows that a statement is false |
| order of operations | a set of rules that orders the way you simplify an expression |
| distributive property | each term inside a set of parentheses can be multiplied by a factor outside the parentheses |
| term | each expression in a sum |
| like terms | terms with the same variables or variable powers |
| coefficient | a number multiplied by a variable in a term of an expression |
| congruent | having the same size and shape |
| polygon | a plane figure formed by line segments |
| vertex | the intersection of two sides of a polygon |
| side | line segments that form a polygon |
| corresponding vertices | matching vertices in congruent or similar polygons |
| corresponding sides | matching sides in congruent or similar polygons |
| parallel | two lines in the same plane that do not intersect |
| perpendicular | two lines, segments, or rays that intersect to form right angles |
| equilateral triangle | a triangle with all three sides congruent |
| isosceles triangle | a triangle with at least two sides congruent |
| scalene triangle | a triangle with all sides of unequal length |
| right triangle | a triangle with one angle measuring 90 degrees |
| acute triangle | a triangle with three angles measuring less than 90 degrees |
| obtuse triangle | a triangle with one angle measuring greater than 90 degrees |
| quadrilateral | a polygon with four sides |
| parallelogram | a quadrilateral with both pairs of opposite sides parallel |
| kite | a polygon with two pairs of consectutive sides congruent |
| rhombus | a parallelogram with four congruent sides |
| rectangle | a parallelogram with four right angles |
| square | a parallelogram with four congruent sides and four congruent angles |
| substitute | to replace variables with given values |
