1. Contents Charlie’s Examples, from the presentation
Audience Suggestions
Colourful blank Venn diagrams

2. Charlie’s Examples

3. Numbers
Smaller than 100
Prime
Odd

4. Numbers
Multiples of 5
3n + 1
Triangle Numbers

5. More than 1 line of symmetry
Polygons
Quadrilaterals
Even number of sides
More than 1 line of symmetry

6. Symmetrical about the y axis
y = ax2 + bx + c
Turning point at (2,5)
a < 0
Symmetrical about the y axis

7. Audience Suggestions Number
Sequences (i.e. terms that fit the given sequences)
More Sequences (Sequences that have the given properties)
Straight Line Graphs
Quadratics
Mean, Median, Mode
KS5 Functions
Others (Fractions, 3D Shapes, Simultaneous Equations, Modulus equations, Matrices)
Problem Solving

8. Number

9. 2 is a factor
Multiple of 3
Multiple of 5

10. Multiple of 9
Even
Multiple of 7

11. Factor of 24
Prime
Multiple of 3

12. Multiple of 4
Factor of 36
Square

13. Multiple of 3
Less than 200
Square

14. Prime
Square
Cube

15. Square
Triangular
Fibonacci

16. Sequences
The numbers in these are those that would be found in the sequence

17. 2n
3n+1
5n-1

18. 2n+2
3n-1
n+4

19. 5n-3
3n+1 n2

20. 3n+1
5n-2
n2+1

21. More Sequences
The objects placed in the Venn diagrams are sequences

22. [n2 is, n2+1 isn’t from the sheet]
Special Sequences
[n2 is, n2+1 isn’t from the sheet]
Quadratic Sequences
Linear Sequences

23. Contains 4
Linear Sequence
Quadratic Sequence

24. Fibonacci Style
Sixth term is 2
First term negative

25. Converging
Oscillating
Increasing

26. Shapes

27. Triangles and Quadrilaterals only
Has an obtuse angle
Has a right angle
Has an acute angle

28. Has at least one right angle
Regular
Has at least one right angle
Triangle

29. Rotational Symmetry
Reflective Symmetry
Regular Polygon

30. Straight Line Graphs

31. Positive gradient
Negative y-intercept
-1 < gradient < 1

32. Positive Gradient
Negative y-intercept
Passes through (1,2)

33. y-intercept = 2
Positive Gradient
Gradient < 2

34. (2,3) on the line
Even y-intercept
Positive gradient

35. Passes through (2,8)
m=3
c=3

36. Gradient of 3
Goes through (3,6)
y-intercept at (0,2)

37. Quadratic Equations

38. Integer Solutions
Crosses x-axis
x=0 is a line of symmetry

39. (x+2) a factor
(x-3) a factor
(x+5) a factor

40. Handling Data

41. Mode = 5
Mean = 5
Median = 5

42. Median = 5
Mean = 6
Range = 7

43. Give (grouped/ungrouped) frequency tables
Mode = 1
Mean and Median estimated
Mean > Median (or estimates thereof)

44. KS5 Functions

45. Quadratic
Range y ≤0
Domain x≥0

46. Odd function
Infinite domain
Infinite range

47. f(3)=2
f’(1)=0
f(-1)=0

48. Others Fractions 3D shapes Simultaneous equations Modulus equations
Matrices

49. Fractions
Equivalent to 1/3
In simplest form
Prime denominator

50. a,b,d,e not multiples of each other
Simultaneous Equations
ax+by=c
dx+ey=f
x and y are negative
OR: x=-2, y=-3
a,b,d,e not multiples of each other
b and e negative

51. Modulus Equations
Equations of the form |ax+b|=|cx+d| (or ≥,≤,<,>,=)
b=0
Only one solution
Solutions include x=0

52. Matrices
Orthogonal
Singular
Diagonal

53. Problem Solving
This Venn diagram admits questions into the regions, with techniques for solving them around the outside. (These were intended as needing both, but a different interpretation would be questions that admit different methods of solution)

54. “Baby” trigonometry (In a right-angled triangle)
Sine Rule
Pythagoras’ Theorem

55. Colourful Blank Venn Diagrams