PSSA+MATH+W.O.T.D.


 * PSSA MATH GLOSSARY

 ** **Circumference: **The distance around a circle. **Composite number: **A whole number having more than two factors.  Diameter: ** A line segment that has endpoints on a circle and passes through the center of the ** circle. **Expanded notation: **A way to write numbers that shows the value of each digit (e.g., 4372 = 4000+300+70+2). <span style="font-family: Arial,cursive;">**<span style="font-family: 'Comic Sans MS',cursive;">Greatest common factor (GCF): **<span style="font-family: 'Comic Sans MS',cursive;"> The largest factor that 2 or more numbers have in common. <span style="font-family: Arial,cursive; font-weight: normal;"> <span style="font-family: 'Comic Sans MS',cursive;">Heptagon: **<span style="font-family: 'Comic Sans MS',cursive;"> A polygon with 7 sides. ** <span style="font-family: Arial,cursive;">**<span style="font-family: 'Comic Sans MS',cursive;">Histogram: **<span style="font-family: 'Comic Sans MS',cursive;">A bar graph in which the labels for the bars are numerical intervals. <span style="font-family: Arial,cursive;">**<span style="font-family: 'Comic Sans MS',cursive;">Least common denominator (LCD): **<span style="font-family: 'Comic Sans MS',cursive;">The least common multiple of the denominators in two or   <span style="font-family: 'Comic Sans MS',cursive;">more fractions. <span style="font-family: Arial,cursive;">**<span style="font-family: 'Comic Sans MS',cursive;">Least common multiple (LCM): **<span style="font-family: 'Comic Sans MS',cursive;">The smallest number, other than zero, that is a common <span style="font-family: 'Comic Sans MS',cursive;">multiple of two or more numbers. <span style="font-family: Arial,cursive;">**<span style="font-family: 'Comic Sans MS',cursive;">Leg (of a right triangle): **<span style="font-family: 'Comic Sans MS',cursive;">Either of the two sides that form the right angle in a right triangle. <span style="font-family: Arial,cursive; font-weight: normal;"> <span style="font-family: 'Comic Sans MS',cursive;">Prime number: **<span style="font-family: 'Comic Sans MS',cursive;">A whole number that has exactly two factors, 1 and itself. ** <span style="font-family: Arial,cursive;">**<span style="font-family: 'Comic Sans MS',cursive;">Quadrants: **<span style="font-family: 'Comic Sans MS',cursive;">The four regions of a coordinate plane that are separated by the axes. <span style="font-family: 'Comic Sans MS',cursive;">the circle. <span style="font-family: Arial,cursive;">**<span style="font-family: 'Comic Sans MS',cursive;">Range: **<span style="font-family: 'Comic Sans MS',cursive;">The difference between the greatest and least numbers in a set of data. <span style="font-family: Arial,cursive; font-weight: normal;"> <span style="font-family: 'Comic Sans MS',cursive;">Ratio: **<span style="font-family: 'Comic Sans MS',cursive;">A comparison of two numbers using division. ** <span style="font-family: Arial,cursive;">**<span style="font-family: 'Comic Sans MS',cursive;">Regular polygon: **<span style="font-family: 'Comic Sans MS',cursive;">A polygon that has all sides congruent and all angles congruent. <span style="font-family: 'Comic Sans MS',cursive;">point. <span style="font-family: Arial,cursive;">**<span style="font-family: 'Comic Sans MS',cursive;">Similar polygons: **<span style="font-family: 'Comic Sans MS',cursive;">Polygons that have the same shape, but not necessarily the same size. Corresponding sides of similar polygons are proportional. <span style="font-family: 'Comic Sans MS',cursive;"> <span style="font-family: 'Comic Sans MS',cursive;">**Straight angle:** **<span style="font-family: 'Comic Sans MS',cursive;">An angle with a measure of 180º. ** <span style="font-family: Arial,cursive;">**<span style="font-family: 'Comic Sans MS',cursive;">Terminating decimal: **<span style="font-family: 'Comic Sans MS',cursive;">A decimal that contains a finite number of digits. <span style="font-family: Arial,cursive; font-weight: normal;"> <span style="font-family: 'Comic Sans MS',cursive;">Transformation: **<span style="font-family: 'Comic Sans MS',cursive;">The moving of a figure by a translation (slide), rotation (turn) or reflection (flip). ** <span style="font-family: Arial,cursive;">**<span style="font-family: 'Comic Sans MS',cursive;">Unit price: **<span style="font-family: 'Comic Sans MS',cursive;">The price of a single item or amount (e.g., $3.50 per pound). <span style="font-family: Arial,cursive;">**<span style="font-family: 'Comic Sans MS',cursive;">Unit rate: **<span style="font-family: 'Comic Sans MS',cursive;">A rate with the second term being one unit (e.g., 50 mi/gal, 4.5 km/sec). <span style="font-family: Arial,cursive;">**<span style="font-family: 'Comic Sans MS',cursive;">Venn diagram: **<span style="font-family: 'Comic Sans MS',cursive;"> A diagram that shows relationships among sets of objects. <span style="font-family: Arial,cursive;"> <span style="font-family: 'Comic Sans MS',cursive;">**X-axis:** **<span style="font-family: 'Comic Sans MS',cursive;">The horizontal number line on a coordinate plane. ** <span style="font-family: Arial,cursive;">**<span style="font-family: 'Comic Sans MS',cursive;">Y-axis: **<span style="font-family: 'Comic Sans MS',cursive;">The vertical number line on a coordinate plane. <span style="font-family: 'Comic Sans MS',cursive;">
 * <span style="font-family: 'Comic Sans MS',cursive;">Mathematics Assessment Anchor Glossary **
 * <span style="font-family: 'Comic Sans MS',cursive;">Grade 6 **
 * <span style="font-family: 'Comic Sans MS',cursive;">Chord: **<span style="font-family: 'Comic Sans MS',cursive;">A line segment whose endpoints are on a circle.
 * <span style="font-family: 'Comic Sans MS',cursive;">Hypotenuse: **<span style="font-family: 'Comic Sans MS',cursive;">The longest side of a right triangle (which is also the side opposite the right angle).
 * <span style="font-family: 'Comic Sans MS',cursive;">Line plot: **<span style="font-family: 'Comic Sans MS',cursive;">A graph showing the frequency of data on a number line.
 * <span style="font-family: 'Comic Sans MS',cursive;">Nonagon: **<span style="font-family: 'Comic Sans MS',cursive;">A polygon with 9 sides.
 * <span style="font-family: 'Comic Sans MS',cursive;">Plane: **<span style="font-family: 'Comic Sans MS',cursive;">A flat surface that extends infinitely in all directions.
 * <span style="font-family: 'Comic Sans MS',cursive;">Radius: **<span style="font-family: 'Comic Sans MS',cursive;">A line segment that has one endpoint on a circle and the other endpoint at the center of
 * <span style="font-family: 'Comic Sans MS',cursive;">Rate: **<span style="font-family: 'Comic Sans MS',cursive;">A ratio that compares two quantities having different units (e.g., 95 miles in 2 hours).
 * <span style="font-family: 'Comic Sans MS',cursive;">Repeating decimal: **<span style="font-family: 'Comic Sans MS',cursive;">A decimal that has a repeating sequence of numbers after the decimal
 * <span style="font-family: 'Comic Sans MS',cursive;">Whole number: **<span style="font-family: 'Comic Sans MS',cursive;">Any of the numbers 0, 1, 2, 3, 4, 5, … (and so on).