Maths PT term 1

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Across
  1. 2. in a straight line one angle is 47 degrees, find the other angle
  2. 3. if an angle in a parallelogram is 122, find the opposite angle
  3. 4. how many degrees is in a straight angle
  4. 5. expand 10(x-6)
  5. 7. what is the total number of degrees in a hexagon
  6. 8. write each expression using index notation, x×y×x×y×x
  7. 10. given that a=4 and b=6, evaluate 3a×2b
  8. 11. thirty nine subtracted from fifty seven
  9. 13. write the first five prime numbers
  10. 15. 18³
  11. 16. simplify 4xyz-2xy+3xyz-xy
  12. 18. find the size of one interior angle of a hexagon
  13. 19. round 4836 to the nearest hundred
  14. 20. LCM of 120 and 72
  15. 21. the sum of 2x and a number
  16. 24. a height twice of x
  17. 25. (56-6²)×(4+3)
Down
  1. 1. evaluate 7⁶
  2. 2. the difference between 12 and -12 is greater than 12
  3. 3. sum of interior angles of an octagon
  4. 6. simplify 3xy-4+2xy
  5. 9. 675÷27
  6. 10. if x=7, find 16x+5
  7. 11. √625 + √729
  8. 12. how many degrees is in a parallelogram
  9. 14. round 3.072 to 3 significant figures
  10. 15. expand 5(y-4x²)
  11. 17. 102 km below sea level
  12. 19. 324×15
  13. 20. [3(4+12)-2(4+2)]
  14. 22. a height of 526
  15. 23. find each side of an equilateral triangle