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Maths Gcse Wjec-Eduqas Foundation

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  1. Scatter-Graphs-And-Correlation Wjec-Eduqas Foundation
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  2. Statistical-Diagrams- Wjec-Eduqas Foundation
    7 主题
  3. Statistics-Toolkit Wjec-Eduqas Foundation
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  4. Tree-Diagrams-And-Combined-Probability Wjec-Eduqas Foundation
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  5. Simple-Probability-Diagrams- Wjec-Eduqas Foundation
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  6. Probability-Toolkit Wjec-Eduqas Foundation
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  7. Transformations Wjec-Eduqas Foundation
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  8. Vectors Wjec-Eduqas Foundation
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  9. Pythagoras-And-Trigonometry Wjec-Eduqas Foundation
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  10. Congruence-Similarity-And-Geometrical-Proof Wjec-Eduqas Foundation
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  11. Volume-And-Surface-Area- Wjec-Eduqas Foundation
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  12. Circles-Arcs-And-Sectors Wjec-Eduqas Foundation
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  13. Area-And-Perimeter Wjec-Eduqas Foundation
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  14. Bearings-Scale-Drawing-Constructions-And-Loci- Wjec-Eduqas Foundation
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  15. 2D-And-3D-Shapes Wjec-Eduqas Foundation
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  16. Angles-In-Polygons-And-Parallel-Lines Wjec-Eduqas Foundation
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  17. Geometry-Toolkit Wjec-Eduqas Foundation
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  18. Exchange-Rates-And-Best-Buys Wjec-Eduqas Foundation
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  19. Standard-And-Compound-Units- Wjec-Eduqas Foundation
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  20. Direct-And-Inverse-Proportion- Wjec-Eduqas Foundation
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  21. Ratio-Problem-Solving- Wjec-Eduqas Foundation
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  22. Ratio-Toolkit Wjec-Eduqas Foundation
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  23. Sequences Wjec-Eduqas Foundation
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  24. Solving-Inequalities- Wjec-Eduqas Foundation
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  25. Real-Life-Graphs Wjec-Eduqas Foundation
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  26. Graphs-Of-Functions Wjec-Eduqas Foundation
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  27. Linear-Graphs Wjec-Eduqas Foundation
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  28. Coordinate-Geometry Wjec-Eduqas Foundation
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  29. Functions Wjec-Eduqas Foundation
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  30. Forming-And-Solving-Equations Wjec-Eduqas Foundation
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  31. Simultaneous-Equations Wjec-Eduqas Foundation
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  32. Solving-Quadratic-Equations- Wjec-Eduqas Foundation
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  33. Linear-Equations Wjec-Eduqas Foundation
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  34. Algebraic-Reasoning Wjec-Eduqas Foundation
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  35. Rearranging-Formulae Wjec-Eduqas Foundation
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  36. Factorising Wjec-Eduqas Foundation
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  37. Expanding-Brackets Wjec-Eduqas Foundation
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  38. Algebraic-Roots-And-Indices Wjec-Eduqas Foundation
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  39. Algebra-Toolkit Wjec-Eduqas Foundation
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  40. Using-A-Calculator Wjec-Eduqas Foundation
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  41. Exact-Values Wjec-Eduqas Foundation
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  42. Rounding-Estimation-And-Error-Intervals Wjec-Eduqas Foundation
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  43. Fractions-Decimals-And-Percentages Wjec-Eduqas Foundation
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  44. Simple-And-Compound-Interest-Growth-And-Decay Wjec-Eduqas Foundation
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  45. Percentages Wjec-Eduqas Foundation
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  46. Fractions Wjec-Eduqas Foundation
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  47. Powers-Roots-And-Standard-Form Wjec-Eduqas Foundation
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  48. Types-Of-Number-Prime-Factors-Hcf-And-Lcm- Wjec-Eduqas Foundation
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  49. Number-Toolkit Wjec-Eduqas Foundation
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Exam code:C300

Tally charts & frequency tables

What is a tally chart?

  • Tally charts are a quick way to count data

  • Each time you count an item, draw a vertical line

    • Do this the first four times

    • The fifth time, draw a diagonal line through the four vertical lines up diagonal strike vertical line vertical line vertical line vertical line end strike

    • Continue counting in sets of five

  • For example

    • Counting different coloured flowers in the garden

Colour

Tally

Blue

up diagonal strike vertical line vertical line vertical line vertical line end strike

Red

up diagonal strike vertical line vertical line vertical line vertical line end strike space space up diagonal strike vertical line vertical line vertical line vertical line end strike space space vertical line vertical line space space

Yellow

vertical line vertical line vertical line

What is a frequency table?

  • A frequency table counts how many times an item appears

  • Tally charts can be converted into frequency tables

    • Find the totals

      • Count up in 5’s then add any extras

      • up diagonal strike vertical line vertical line vertical line vertical line end strike space up diagonal strike vertical line vertical line vertical line vertical line end strike space vertical line vertical linemeans 5 + 5 + 2 = 12

  • The tally chart above gives the following frequency table:

</tbody

Colour

Frequency

Blue

5

Red

12

Yellow

3

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