Mathematics Project

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Across
  1. 1. every integer is a ____ number
  2. 8. the __ of 2*9 is 18
  3. 11. collection of variables, literals and constants
  4. 12. -9, -3. -1 are _____
  5. 14. of a square is (side)2
  6. 15. in the fraction 6/5, 6 is the ____
  7. 17. a triangle in which two sides are equal
  8. 18. combination of two rays with a common end-point, measured in degrees
  9. 19. in 2x + 16 x is the ____
Down
  1. 2. of a rectangle= 2(l+b)
  2. 3. 24+2=13÷2 is an ____
  3. 4. the ____ of a circle is 2 π 2
  4. 5. 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
  5. 6. in 20÷4=5, 20 is the ___
  6. 7. a curve formed by 3 line segments is called a ____
  7. 9. an expression having 3 terms
  8. 10. ______ of a square bisect each other
  9. 13. 2, 3 and 7 are prime _____ of 42
  10. 15. in 20÷4=5, 4 is the ___
  11. 16. 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