MATH PRACTICAL TEST #1 (CROSS WORD)

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Across
  1. 3. 10^4
  2. 5. HCF of 22 and 44
  3. 7. abc (a=3, b=5, c=2)
  4. 8. 5x^2-6x^2+2x
  5. 11. 20-[(4+12)-(6+2)]
  6. 12. -34 is less than 2 times -16
  7. 15. 19 is less than 45
  8. 17. 2y+6y
  9. 18. LCM of 54 and 60 (prime factorization)
  10. 20. What is the sum of exterior angles of a convex angle with 15 sides.
  11. 22. The sum of the unknown number and its square
Down
  1. 1. What is the sum of an angle which is struck line
  2. 2. what is the sum of the angle of a point.
  3. 3. Round 12.0164 to 2 decimal places
  4. 4. a X b X a X b X a X b X c
  5. 5. 2x(x+2y)
  6. 6. 3(4xy-2x)+5(3x-xy)
  7. 7. Round 3.185 to 2 decimal places
  8. 8. 25km below sea level
  9. 9. How many odd prime numbers are less than 50?
  10. 10. A time two hours behind GMT
  11. 11. 4b-2a+c (a=3, b=5, c=2)
  12. 13. what is the size of each exterior angle in this polygon.
  13. 14. (56-6^2)x(4+3)
  14. 15. x X y X 12
  15. 16. (√49)^2
  16. 19. √1764
  17. 21. LCM of 12 and 15