D to C Revision Cards

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Author:
HLHSMaths
ID:
221348
Filename:
D to C Revision Cards
Updated:
2013-05-27 15:01:44
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Description:
Revision cards to help increase your grade from a D to a C
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  1. Name the 4 different types of transformations and describe what they mean.
    • 1. Translation - move the shape left, right, up
    •     or down
    • 2. Enlargement - make bigger
    • 3. Reflection - mirror
    • 4. Rotation - turn
  2. What information do you need to give when answering a rotation question?
    • 1. Centre of a rotation
    • 2. Size of turn (degrees)
    • 3. Direction (clockwise/anticlockwise)

    check with tracing paper
  3. What information do you need to give when answering a reflection question?
    Line of reflection (mirror line)
  4. What information do you need to give when answering an enlargement question?
    • 1. Scale factor (how many times bigger it is)
    • 2. Centre of enlargement (draw lines to find it)
  5. What information do you need to give when answering a translation question?
    • 1. How far left/right
    • 2. How far up/down

    Write as a vector
  6. What is the perimeter of a shape?
    The distance all the way around the outside measured in m, cm, mm
  7. What is the area of a shape?
    The space inside the shape measured in  or 
  8. How would you construct a perpendicular bisector?
  9. How do you bisect an angle?
  10. What three things do you need to know about a bearing?
    • 1. Start from North
    • 2. Measure clockwise
    • 3. Always three figures (eg 065)
  11. What do angles on a straight line add up to?
    180o
  12. What do angles in a triangle add up to?
    180o
  13. What can you say about these angles?
    Vertically opposite angles

    Same size
  14. What can you say about these angles?
    Corresponding (F) angles

    Same size
  15. What can you say about these angles?
    Alternate (z) angles

    Same size
  16. What do angles around a point add up to?
    360o
  17. How do you calculate 1%?
    Divide the number by 100
  18. How do you calculate 10%?
    Divide the number by 10.
  19. How do you multiply two fractions?
    • multiply the numerators together
    • multiply the denominators together
  20. How do you find a fraction of an amount?
    Divide the amount by the denominator, multiply the answer by the numerator
  21. What fraction is the same as 50%?
  22. What fraction is the same as 25%?
  23. What fraction is the same at 10%?
  24. What fraction is the same as 20%?
  25. How do you find the lowest common multiple (LCM) of two numbers?
    Write out the times tables for each number

    Circle the smallest number that is the same for both
  26. How do you write a number as a product of its prime factors?
    • prime number tree
  27. What is a prime number?
    A number that has only two factors
  28. List the prime numbers up to 30
    2, 3, 5, 7, 11, 13, 17, 19, 23, 29
  29. What are the multiples of a number?
    All the numbers in the times tables
  30. What do you get when you multiply a positive and a negative?
    negative number
  31. What do you get when you multiply a negative and negative?
    positive number
  32. What is a square number?
    The answer you get when you multiply a number by itself
  33. How do you work out the mean of a set of numbers?
    Add them all up and divide by the number of numbers
  34. How do you work out the median of a set of numbers?
    Put the numbers in order, find the middle
  35. How do you work out the mode of a set of numbers?
    The number that is most common
  36. How do you work out the range of a set of numbers?
    Subtract the smallest number from the biggest number
  37. Describe the relationship of the graph below
    As the result in maths increases, the result in science increase
  38. What is this graph called? What do you need to remember about it?
    Stem and Leaf

    • 1. Always write in order
    • 2. Always include a key
  39. What is this graph called? What do you need to remember about it?
    Scatter Graph

    Remember to draw a line of best fit through the points (not joining them up)
  40. Speed = ?
  41. What does solve mean?
    Work out what the letter is
  42. What does simplify mean?
    • Collect like terms  
    • eg a + a + a = 3a
    •     a x a x a = a3
  43. What does expand mean?
    Multiply out the brackets

    eg 2(x + 4) = 2x + 8
  44. What does factorise mean?
    Put into brackets 

    eg 3x + 12 = 3(x + 4)
  45. How do you find the nth term of a sequence?
    • 1. Work out the difference
    • 2. Multiply it by n
    • 3. Work out what you need to add or subtract
  46. What is an expression?
    it contains no equals sign

    eg 2x + 5y
  47. What does substitute mean?
    Swap a letter for a number
  48. What does value mean?
    A number
  49. What is this graph called?
    Speed distance time graph
  50. How do you work out an estimate for the mean of grouped data?
    • 1. Find the midpoints
    • 2. Frequency x midpoints
    • 3. Total of frequency x midpoints
    • 4. Total of frequency
    • 5. Total of frequency x midpoints divided by total of frequency

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