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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Sites2See – number for primary

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Selected links to a range of interactive online resources for the study of number in Foundation to Year 6 Mathematics.

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BTN: What is an abacus?

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An abacus is a tool that helps people solve maths problems. Why might some people still use, and encourage the use of, an abacus when there are more contemporary tools like calculators?

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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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TIMES Module 1: Number and Algebra: counting and place value - teacher guide

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This is a 16-page guide for teachers. It is a module introducing the concept of place value.

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TIMES Module 3: Number and Algebra: multiplication and division - teacher guide

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This is a 23-page guide for teachers. This module contains a description of suitable models for multiplication, a discussion of the type of problem phrased in words that requires multiplication for its solution, and mental and written strategies for multiplication. The use of the commutative, associative and distributive ...

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TIMES Module 2: Number and Algebra: addition and subtraction - teacher guide

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This is a 29-page guide for teachers. The module introduces addition and subtraction of whole numbers.

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Sites2See: Patterns and Algebra

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Selected links to a range of interactive online resources for the study of patterns and algebra in Foundation to Year 6 Mathematics.

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The difference bar: go figure

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This tutorial is suitable for use with a screen reader. It explains how to split up numbers in your head when finding the difference between two numbers such as 26 and 73. Work through sample questions and instructions explaining how to use linear partitioning techniques. Find the difference between pairs of numbers. Split ...

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MathXplosion, Ep 6: Zero the hero

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What is the role of zero as a placeholder for large numbers such as 1 million, 1 billion and 1 trillion? Find out about the notion of place value and powers of ten through the act of bead counting.

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