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Addition and subtraction on a number line links between the model and appropriate ‘vertical’ method Janine Blinko.

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Presentation on theme: "Addition and subtraction on a number line links between the model and appropriate ‘vertical’ method Janine Blinko."— Presentation transcript:

1 Addition and subtraction on a number line links between the model and appropriate ‘vertical’ method Janine Blinko

2

3 In which case they need to be fluent in subtracting multiples of 100 from any number…… Equivalent written recording-formal version

4 and fluent in subtracting multiples of 10 from any number including crossing the hundreds boundaries…… Equivalent written recording-formal version

5 Equivalent written recording-formal version

6

7 It is My cake will be ready at How long do I have to wait before it is ready? +5 mins hour 1hour 55 minutes +30 mins mins

8 Equivalent written recording- formal version

9 Equivalent written recording-formal version

10 Equivalent written recording- formal version

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12 In which case they need to be fluent in adding multiples of 100 to any number…… Equivalent written recording-formal version

13 and fluent in adding multiples of 10 to any number including crossing the hundreds boundaries…… Equivalent written recording-formal version

14 Equivalent written recording-formal version (+200) 418 (+70) 421 (+3)


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