Numeracy parent meeting

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  • Verna 0-3, Lisa 4-5, Karen 6, 7, 8
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  • Numeracy parent meeting

    1. 1. Numeracy Parent Information Session 2011 Presented by: Lisa Bonniface and Verna Cameron
    2. 2. Introduction <ul><li>What is Numeracy? </li></ul><ul><li>Why do we teach this way? </li></ul>
    3. 3. Numeracy Stages
    4. 4. Knowledge and Strategy <ul><li>Knowledge: </li></ul><ul><ul><li>Facts you should automatically know </li></ul></ul><ul><ul><li>Provides the foundation for strategies </li></ul></ul><ul><li>Strategy: </li></ul><ul><ul><li>Using the facts you know to solve problems </li></ul></ul><ul><ul><li>How you solve problems - the mental process </li></ul></ul>
    5. 5. Examples of some strategies that children use for addition and subtraction…
    6. 6. Stage 4: I am learning to add by counting on when the larger number is given first. 8 + 3 = 1 2 3 4 5 6 7 8 9 10 11 8 + 3 = 11 9, 10, 11
    7. 7. Stage 5: 14 - 6 = 14 - 4 - 2 = 8
    8. 8. Stage 6 Examples <ul><li>Solve: </li></ul><ul><li>53 – 29 </li></ul><ul><li>Analyse the strategy you used to solve this based on what you see next. </li></ul>
    9. 9. 53 - 29 <ul><li>Tidy Numbers using Compensation </li></ul>53 - 30 + 1= 24
    10. 10. 53 - 29 <ul><li>Place Value Partitioning </li></ul>53 - 20 - 3 - 6 = 24
    11. 11. 53 - 29 <ul><li>Reversibility </li></ul>29 + 1 + 20 + 3 = 53
    12. 12. 53 - 29 <ul><li>Equal Additions </li></ul>= 24 53 29 1 1 54 30
    13. 13. Summary of Strategies Tidy numbers using Compensation 53 - 30 + 1 53 - 29 Place Value Partitioning 53 - 20 - 9 Equal Additions 54 - 30 Reversibility 29 + ? = 53
    14. 14. Stage 7 Example: <ul><li>Solve using multiplication </li></ul><ul><li>27 + 54 </li></ul><ul><li>(9x3) + (9x6) so 9x9 = 81 </li></ul>
    15. 15. Stage 8 Example Proportional Problem: <ul><li>If 30 children pay a total of 75 dollars in entry fees to Rainbows End, how much money will 18 children pay?” </li></ul>
    16. 16. Strategies for solving Proportional problems: 30:75 is the same as 2:5 therefore multiply both by 9 18:45 30:18 = 10/6 10 parts of 75 =7.5 p/ part 6 parts @ 7.5 p/part = 45 18 /30 is the same as 3/5 so it is 3/5 of 75 which is 45 because 1/5 is 15 30 children gives $75 1 child gives $2.50 18 x 2.5 18 children gives $45.00
    17. 17. Examples of some strategies that children use for multiplication and division…
    18. 18. 8 x 6 Skip Counting: Stage 4 6 12 18 24 30 36 42 48
    19. 19. 8 x 6 Repeated Addition: Stage 5 12 + 12 = 24 24 + 24 =48
    20. 20. 8 x 6 Derived Multiplication: Stage 6 8 x 5 = 40 8 x 1 = 8
    21. 21. 8 x 6 10 x 6 = 60 60 - (2x6) =48 Derived Multiplication: Stage 6 2 x 6 = 12
    22. 22. 3 x 18 Tidy Numbers using Compensation 10 10 10 10 10 10 3 x 20 = 60 60 – (3 x 2) = 54
    23. 23. Stage 7 Examples
    24. 24. 3 x 18 Place Value Partitioning 30 + 24 = 54 10 10 10 3 x 10 = 30 3 x 8 = 24
    25. 25. Proportional Adjustment:
    26. 26. 3 x 18 3 x 9 3 x 9
    27. 27. 6 x 9 = 54 Proportional Adjustment: 3 x 18 6 x 9 x 2 ÷ 2
    28. 28. Possible Multiplicative Strategies Place Value 5 x 30 = 150. And 5 x 6 = 30. So 150 + 30 = 180 Doubling and Halving. Double 5= 10, half 36= 18. So 10 x 18 = 180 Written Form 36 X 5 180 5 x 36 = Tidy Numbers I know 5 x 40 = 200. 200 - (4x5) = 180.
    29. 29. Numeracy Lessons <ul><li>Warm up </li></ul><ul><li>Small group teaching </li></ul><ul><ul><li>WALHT </li></ul></ul><ul><ul><li>Thinking groups </li></ul></ul><ul><ul><li>Strategies </li></ul></ul><ul><li>Real life demonstration </li></ul>
    30. 30. What you can do at home <ul><li>Basic facts - addition and subtraction facts and times tables as your children get older </li></ul><ul><li>Everyday life </li></ul><ul><li>Family of facts </li></ul><ul><li>Picture books e.g. The Very Hungry Caterpillar </li></ul><ul><li>Websites </li></ul><ul><ul><li>www.mathletics.co.nz </li></ul></ul><ul><ul><li>www.nzmaths.co.nz </li></ul></ul>
    31. 31. Resources <ul><li>Flash cards </li></ul><ul><li>Numbers up </li></ul><ul><ul><li>(google search Numbers up and follow the link to gold-software.com) </li></ul></ul><ul><li>Monopoly, Shrek Operation, Snakes and Ladders, Snap / Memory / Fish </li></ul><ul><li>Card games </li></ul><ul><li>Mathletics </li></ul>
    32. 32. Any Questions?

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