Big Ideas in Number - Trusting the Count

Early Number Experiences
1. Ordering
  1. Putting things in their place by following rules
    1. Number lines, Whole numbers, Fractions, Decimals (ACMNA058)
2. Grouping
  1. Dividing things into equal groups or sets (ACMNA032)
3. Patterns
  1. A series or sequence that repeats
4. Classifying
  1. Finding and placing objects into groups based on common characteristics
Purpose
1. Recognising a collection without counting - SUBITISING
  1. SUBITISING
    1. Encourages children to interpret numbers in terns of part-whole relationships
    2. The ability to quickly identify the amount of objects in a small group without counting them
    3. Visualising a group of objects as a unit (ACMNA031)
    4. Contributes to early forms of grouping
    5. Develops understanding of numbers within numbers
2. Knowing that once you have counted a collection and no changes are made it stays the same
3. Recognising a collection no matter how it is arranged
4. Developing mental pictures of the numbers 0-10
Flexible Thinking Strategies
1. Make to 10 for addition
2. Part-part-whole ideas
3. Count on from larger number
4. 7 = 1 more than 6 1 less than 8
  1. 3 + 4 OR 5 + 2
5. Helps students to be able to read, write or hear a number and imagine what it may look like as a collection
Skip Counting
1. Mental strategies, Doubles, 10 facts, Adding 10 (ACMNA030)
2. Suppprts the development of fluency in calculations and number sense
  Attachments:
  - Love's Philosophy: Percy Bysshe Shelley
3. Gives opportunity to create and recognise patterns and relationships between numbers and operations
  Attachments:
  - New GCSE Maths
4. Foundation of multiplication and division

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Big Ideas in Number - Trusting the Count

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	Created by Sarah Egan almost 8 years ago

	Copied by Sharryn Bloor over 6 years ago