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Year 5 Mental Maths Facts Quiz Fiendish Level

Year 5 Mental Maths Facts Quiz Fiendish Level. How many seconds in an hour?. 3600 seconds. How many weeks in 11 years?. 572 weeks. How many days are there in the first 6 months of the year (assuming it is not a Leap Year)?. 181 days. What is 13:13 in 12 hour (analogue) time?. 1.13pm.

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Year 5 Mental Maths Facts Quiz Fiendish Level

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  1. Year 5 Mental Maths Facts Quiz Fiendish Level

  2. How many seconds in an hour? • 3600 seconds

  3. How many weeks in 11 years? • 572 weeks

  4. How many days are there in the first 6 months of the year (assuming it is not a Leap Year)? • 181 days

  5. What is 13:13 in 12 hour (analogue) time? • 1.13pm

  6. What is 5 past midnight in 24 hour (digital ) time? • 00:05

  7. How many acute angles are there is this triangle? • 3

  8. Name this triangle • scalene

  9. What is the size of the missing angle? • 78 ? 46 37 19

  10. What is the size of the missing angle? • 124 35 ? 21

  11. What is the size of the missing angle? • 156 41 ? 73

  12. What is a 4 as a decimal? 5 • 0.8

  13. What is 1 as a percentage? 10 • 10%

  14. What is 0.03 as a fraction? • 3 100

  15. What is 101% as a decimal? • 1.01

  16. What is 7% as a fraction? • 7 100

  17. List the first 10 prime numbers? • 2, 3, 5, 7, 11, 13, 17, 19, 23,29

  18. What is 9 ? 2 • 81

  19. What is the square root of 144? • 12

  20. What is the perimeter of this rectangle? • 42.6 cm 2.3cm 19cm

  21. What is the area of this rectangle? • 43.7 cm 2.3cm 19cm 2

  22. What is the volume of this cuboid? • 2640 cm 12cm 11cm 20cm 3

  23. Convert 4.05 kilograms to grams. • 4050g

  24. Convert 430 millimetres to metres. • 0.43 m

  25. What’s 10 ¾ litres in millilitres? • 10750 ml

  26. What’s 0.02 of a kilometre in metres? • 20m

  27. ? + 0.15 = 1 • 0.85

  28. How many faces does a hexagonal prism have? • 8

  29. What is this shape called? • Octahedron

  30. What is this shape called? • Septagon/heptagon

  31. How many vertices does a pentagonal based pyramid have? • 6

  32. What number does this Roman Numeral represent CX? • 110

  33. What number does this Roman Numeral represent MDLV? • 1555

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