Maths GCSE (9 to 5) Cross Number

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Across
  1. 1. A histogram has the interval 20-25 with a corresponding frequency of 17.5. What is the frequency density (height)?
  2. 4. Change 2m squared into cm squared
  3. 5. A circle has a diameter of 16cm, find the area (to nearest whole number)
  4. 6. Find 3/5 of 75
  5. 7. A right angled triangle has a height of 19.2m and a base length of 8m, find the hypotenuse
  6. 8. Six elephants have a mean weight of 3500kg. A 7th elephant weighs 4000kg. Find the mean weight of all 7 elephants.
  7. 10. Find maximum density if the mass is 460g and the volume is 20m cubed both rounded to nearest 10
  8. 12. An investment falls by 0.5% every year. How many years until the investments value has halved?
  9. 13. Given £1 = $1.58 change £400 into dollars
  10. 15. A trapezium has two parallel sides one measuring 500m and one measuring 700m. The height is 3m, find the area
Down
  1. 2. £4500 is invested for 5 years in a bank a/c that pays 5% compound interest. Find the value of the investment after 5 years.
  2. 3. Find maximum area if length is 40cm and width is 25cm both rounded to nearest whole number
  3. 5. A straight line has the equation 2y = 5x + 7, find the gradient
  4. 8. A sequence begins 3,10,17,24... Find the 500th term
  5. 9. A scalene triangle has one side measuring 7.8m, another measuring 5.6m and the angle between them is 62 degrees. Fine the area.
  6. 11. Another sequence begins 4,8,14,22... Find the 10th term
  7. 14. If the ratio of mice to cats is 4:5 but the cats eat 2/5 of the mice leaving only 96 mice left. How many cats are there?
  8. 16. Find LCM of 16 and 20