subtractionw

# subtractionw - work on the tens Rename not enough tens to...

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Subtraction Algorithm for Whole Numbers Subtraction Algorithm for Whole Numbers Use the reverse cycle (Place Value Rename, Basic Facts) to work out 627 - 135 = 492

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Subtraction Algorithm for Whole Numbers Subtraction Algorithm for Whole Numbers 627 - 135 2 Place Value: start with ones Rename: not needed - there are enough ones to take away 5 Basic Facts: 7 – 5 = 2
Subtraction Algorithm for Whole Numbers Subtraction Algorithm for Whole Numbers 5 12 627 - 135 92 Place Value: start with ones Rename: not needed - there are enough ones to take away 5 Basic Facts: 7 – 5 = 2 Place Value :

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Unformatted text preview: work on the tens Rename: not enough tens to take away 3, so I need some more: 1 hundred=10 tens Basic Facts: : 12 – 3 = 9 Subtraction Algorithm for Whole Numbers Subtraction Algorithm for Whole Numbers 512 627- 135 492 Place Value: start with ones Rename: not needed - there are enough ones to take away 5 Basic Facts: 7 – 5 = 2 Place Value : work on the tens Rename: not enough tens to take away 3, so I need some more: 1 hundred=10 tens Basic Facts: : 12 – 3 = 9 Place Value: hundreds Rename: not needed Basic Facts: 5 - 1 = 4...
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subtractionw - work on the tens Rename not enough tens to...

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