Crossword Puzzle

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Across
  1. 5. Terms: Terms with the same variable and same exponents/powers.
  2. 6. A polygon with eight sides.
  3. 8. of Symmetry: A line that divides a figure into two equal shapes.
  4. 9. Line: A line whose points correspond to numbers.
  5. 10. Triangle: A triangle with at least one obtuse angle.
  6. 12. Numbers: Regular counting numbers.
  7. 15. The mean is the same as the average. Add up a series of numbers and divide the sum by the total number of values to find the mean.
  8. 16. The median is the "middle value" in a series of numbers ordered from least to greatest. When the total number of values in a list is odd, the median is the middle entry. When the total number of values in a list is even, the median is equal to the sum of the two middle numbers divided by two.
  9. 17. An algebraic expression made up of one term.
  10. 20. Number: A number less than zero denoted with the symbol -. Negative 3 = -3.
  11. 21. Angle: An angle measuring between 90° and 180°.
  12. 22. A written symbol denoting a number value.
Down
  1. 1. A polygon with two sides of equal length.
  2. 2. A number that cannot be represented as a decimal or fraction. A number like pi is irrational because it contains an infinite number of digits that keep repeating. Many square roots are also irrational numbers.
  3. 3. Equation: An equation that contains two variables and can be plotted on a graph as a straight line.
  4. 4. The multiple of a number is the product of that number and any other whole number. 2, 4, 6, and 8 are multiples of 2.
  5. 7. All whole numbers, positive or negative, including zero.
  6. 11. A unit of measure equal to 1000 meters.
  7. 12. The top number in a fraction. The numerator is divided into equal parts by the denominator.
  8. 13. Segment: A straight path that has two endpoints, a beginning and an end.
  9. 14. Numbers: Mixed numbers refer to whole numbers combined with fractions or decimals.
  10. 18. A point that is exactly halfway between two locations.
  11. 19. A straight infinite path joining an infinite number of points in both directions.
  12. 23. The mode in a list of numbers are the values that occur most frequently.