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The Learning Framework In Number: Multiplication

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The Learning Framework In Number: Multiplication & Division Chris Francis * The Multiplication and division aspect of the learning framework underpins: Count Me In ... – PowerPoint PPT presentation

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Title: The Learning Framework In Number: Multiplication


1
The Learning Framework In Number Multiplication
Division
  • Chris Francis

2
The Multiplication and division aspect of the
learning framework underpins
  • Count Me In Too
  • Counting On
  • Taking Off With Numeracy

3
Structure
  • Early multiplication and division strategies
    focus on the structure and use of groups of
    things.
  • A composite unit is formed when a student takes a
    group of items and treats it as a unit.
  • Recognising units is not sufficient. It is
    necessary to develop ways of coordinating the
    groups that are formed.

4
Typical progression
Not intended to be aligned
5
Level 1 Forming equal groups
  • The student
  • uses perceptual counting and sharing to form
    equal groups
  • finds the total of the groups, counting by ones
  • does not take notice of the structure of the
    groups when finding the total.
  • NES1.3
  • PAES1.1

6
Level 2 Perceptual multiples
  • The student
  • uses items to form equal groups
  • finds the total of the groups through rhythmic,
    skip or double counting, only when the items are
    visible
  • cannot deal with concealed items.
  • NS1.3
  • PAS1.1

7
Level 3 Figurative units
  • The student
  • does not rely on items being visible
  • counts forwards or backwards using multiples (or
    a combination of multiples and rhythmic counting
    )
  • uses perceptual markers (e.g. fingers) to keep
    track of the groups
  • reconstructs the groups before counting.
  • NS1.3
  • PAS1.1

8
Level 4 Repeated abstract composite unit
  • The student
  • uses repeated addition or subtraction to find the
    total
  • does not need perceptual markers to represent the
    groups
  • might use fingers to keep track as they count
  • might use skip counting or a double count.
  • NS1.3, NS2.3
  • PAS1.1, PAS2.1

9
Level 5 Multiplication division as operations
  • The student
  • recalls a wide range of multiplication and
    division facts
  • uses multiplication and division as inverse
    operations to solve problems
  • explains the composite structure in a range of
    contexts not simply recalling facts.
  • PAS2.1
  • NS2.3

10
(No Transcript)
11
Observations
  • Students are usually confident with some
    multiples over others.
  • Strategy use is strongly dependent on knowledge
    of multiples.
  • Students may use a combination of strategies.
  • Students typically appear more confident with
    multiplication than division.
  • Modeling of strategies is needed.
  • The use of arrays is useful in developing
    visualisation.
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