Transcription of Multiplication & Division
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- 4- 4012345678 Multiplication & Division 1 2 3 4 5 6 7 8 9101112131415161718192021222324252627282 9303132333435363738394041424344454647484 9505152535455565758596061626364656667686 9707172737475767778798081828384858687888 990919293949596979899100 3 sets of 2 = 63 lots of 2 = 63(2) 6 3 44 3 2001 Andrew HarrisMultiplication & Division1 2001 Andrew HarrisContentsSymbolic Encoding and Abstraction in Multiplication and Division3 Conceptual Structures for Multiplication4 Conceptual Structures for Division6 The Relationship between Multiplication and Division7 Progression in Teaching Multiplication and Division8 General Summary of Progression8 Prior Experience Required for Learning about Multiplication & Division8 Progression in Multiplication8 Progression in Division9 E
The repeated subtraction structure is the basis of many informal algorithms (methods) and of the standard short and long division algorithms. 3. Ratio This is a comparison of the scale of two quantities or measurements in which the quotient is regarded as a scale factor. Children often find this structure difficult to understand and
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