Mathematics / Year 2 / Number and Algebra / Number and place value

Version 8

Australian Curriculum, Assessment and Reporting Authority

Curriculum content descriptions

Group, partition and rearrange collections up to 1000 in hundreds, tens and ones to facilitate more efficient counting (ACMNA028)

Elaborations

using an abacus to model and represent numbers
understanding three-digit numbers as comprised of hundreds, tens and ones/units
demonstrating and using models such as linking blocks, sticks in bundles, place-value blocks and Aboriginal bead strings and explaining reasoning

General capabilities

Numeracy
Critical and creative thinking

ScOT terms

Place value, Counting, Associativity

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MathXplosion, Ep 6: Zero the hero

TLF-IDM024939

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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BTN: What is an abacus?

TLF-IDM021154

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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