Mathematics Project

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Across
  1. 1. the __ of 2*9 is 18
  2. 3. every integer is a ____ number
  3. 5. ______ of a square bisect each other
  4. 7. a triangle in which two sides are equal
  5. 8. _____ of a square is (side)2
  6. 9. method- technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value
  7. 11. ____ of a rectangle= 2(l+b)
  8. 12. combination of two rays with a common end-point, measured in degrees
  9. 14. in 20÷4=5, 4 is the ___
  10. 15. in 2x + 16 x is the ____
  11. 16. a curve formed by 3 line segments is called a ____
  12. 17. line- a _____ is a straight line with a "zero" point in the middle, with positive and negative numbers listed on either side of zero and going on indefinitely
  13. 18. collection of variables, literals and constants
  14. 19. in the fraction 6/5, 6 is the ____
Down
  1. 2. in 20÷4=5, 20 is the ___
  2. 4. -9, -3. -1 are _____
  3. 6. 24+2=13÷2 is an ____
  4. 10. 2, 3 and 7 are prime _____ of 42
  5. 13. an expression having 3 terms
  6. 15. - the ____ of a circle is 2 π 2