Mathematics / Year 4 / Number and Algebra / Number and place value

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View on Australian Curriculum website Australian Curriculum, Assessment and Reporting Authority
Curriculum content descriptions

Apply place value to partition, rearrange and regroup numbers to at least tens of thousands to assist calculations and solve problems (ACMNA073)

Elaborations
  • recognising and demonstrating that the place-value pattern is built on the operations of multiplication or division of tens
General capabilities
  • Literacy Literacy
  • Numeracy Numeracy
  • Critical and creative thinking Critical and creative thinking
ScOT terms

Place value,  Associativity

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    Counting games - years 1 and 2

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    Sites2See – number for primary

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    Addition Strategies - Calculate

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    Regular practise of addition facts can help children build their confidence in maths.

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    Subtraction Strategies - Calculate

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    This game gives students opportunities to practice subtraction skills and to learn subtraction strategies, including the jump strategy, the split (or partition) strategy, compensation and the count-up to strategy (sometimes called the Shopkeeper’s method).

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    Video

    Additive strategies: Video and teaching guide

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    This video explores the use of computation strategies, rounding and estimation in real-world, additive situations. Use the video with the supporting teacher guide as a springboard to explore mathematical concepts. A range of strategies such as compensation and partitioning are demonstrated. Estimation and rounding are highlighted ...

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    Subtraction Year 3 & 4 - Calculate

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    Park Ranger Problem Solving: An ‘Addition & Subtraction’ Rich Task for Years 3–4 - Calculate

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    Interactive

    Wishball: whole numbers

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    Test your understanding of decimal place value with whole numbers. Receive a starting number, such as 3786, and work towards turning it into a target number, such as 7664. Spin a random digit, choose its decimal place value and decide whether to add or subtract the random digit from your starting number. You can use a 'Wishball' ...

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    The take-away bar: go figure

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    Interactive

    The multiplier: go figure

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    This tutorial is suitable for use with a screen reader. It explains strategies for solving complex multiplications in your head such as 22x38. Work through sample questions and instructions explaining how to use partitioning techniques. Solve multiplications by breaking them up into parts that are easy to work with, use ...

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    Divide it up: puppies

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    MathXplosion, Ep 6: Zero the hero

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    The difference bar: go figure

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    Sushi monster - iTunes app

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    Interactive

    MoneySmart: helping out

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    Interactive

    MoneySmart: Money maps

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