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Essential Math Facts: Fractions, Percentages, Measurements, and Angles

Discover vital mathematical concepts that you should know! This guide covers converting decimals to fractions, understanding percentages, and working with measurements. Learn how to convert kilograms to grams, centimeters to meters, and liters to milliliters. Explore factors and multiples, including specific examples and equivalent fractions. Get insights on angles, including acute, obtuse, and reflex angles. Perfect for students eager to strengthen their math skills in a concise format!

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Essential Math Facts: Fractions, Percentages, Measurements, and Angles

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  1. Important Facts I need to know Number 5

  2. What is 0.2 as a fraction?

  3. 2 10

  4. What is a whole one as a percentage?

  5. 100%

  6. What is a half as a percentage?

  7. 50%

  8. What is 25% as a fraction?

  9. 1 4

  10. What is a tenth as a percentage?

  11. 10%

  12. What is 1% as a fraction?

  13. 100 1

  14. What is ¾ as a percentage?

  15. 75%

  16. What is 5kg in grams?

  17. 5000g

  18. What is 250cm in metres?

  19. 2.5m

  20. What is a factor?

  21. a number that divides exactly into another number

  22. Name two factors of 12?

  23. 3,4 Not the only answer. What other factors are there?

  24. What is 18:00 on a 12 hour clock?

  25. 6pm

  26. What is 9.30pm using 24 hour notation?

  27. 21:30

  28. What is 18mm to the nearest centimetre?

  29. 2cm

  30. What is a multiple?

  31. A number made by multiplying together two numbers. 12 is a multiple of 6 and 2 since 6 x 2 = 12

  32. Name two multiples of 6.

  33. 36,60 Not the only answer. What other multiples are there?

  34. Write two fractions that are equivalent to ¼

  35. 6 2 8 24 Not the only answers – can you think of more?

  36. How can you calculate the perimeter of a shape?

  37. Measure the distance around the outside of the shape

  38. How can you calculate the area of a rectangle or square?

  39. length x width

  40. What is 2500ml in litres?

  41. 2.5 litres

  42. What is 25 litres in millilitres?

  43. 25 000

  44. What is the name of an angle that measures 35 degrees?

  45. acute

  46. What is the name of an angle that measures 137 degrees?

  47. obtuse

  48. How big is a reflex angle?

  49. More than 180 degrees but less than 360 degrees

  50. What is 6.7 cms in millimetres?

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