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

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 Numeracy
  • Critical and creative thinking Critical and creative thinking
ScOT terms

Place value,  Counting,  Associativity

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Collections of ten are really useful: K–2 Year B – Unit 1

This two-week unit introduces students to the big idea that collections of 10 are useful.

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Patterns have something that repeats over and over and over again: K–2 Year B – Unit 2

This two-week unit provides opportunity for students to further develop knowledge, understanding, and skills of two-dimensional shapes and their attributes and properties.

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Data helps describe and wonder about the world: K–2 Year B – Unit 7

This sample multi-stage unit continues to explore the big idea 'data helps describe and wonder about the world'.

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Collections of objects can be changed by adding more (combining) or taking some away (separating): K–2 Year B – Unit 9

This unit develops understanding and skills of forming groups and combining and separating.

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Problems can be solved and represented in different ways: K–2 Year B – Unit 20

This two-week unit develops student knowledge, understanding and skills to solve mathematical problems using critical and strategic thinking.

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Making and using equal groups: K–2 Year B – Unit 13

This sample multi-age unit develops student knowledge, understanding and skills of making and using equal groups. Students are provided opportunities to: recognise, model and use equal and unequal groups; share collections by forming equal groups; use arrangements to distinguish between the number of groups and the number ...

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Patterns have something that repeats over and over and over again: K–2 Year B – Unit 12

This sample multi-age unit develops student knowledge, skills and understanding about repeating patterns, arrays and different ways to present and communicate about data.

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There are many different situations where addition, subtraction, multiplication and division can be used: K–2 Year B – Unit 16

This two-week unit develops student knowledge and skills in understanding different situations where addition, subtraction, multiplication and division can be used. Students are provided opportunities to investigate the four operations through problem solving; explore the relationship between different operations and inverse ...

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Collections of ten are really useful: K-2 Year A – Unit 1

Collections of ten are really useful – this unit develops student knowledge, understanding, and place value skills, and how attributes can be used to sort objects.

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Patterns have something that repeats over and over and over again: K-2 Year A – Unit 2

Patterns have something that repeats over and over and over again – this unit provides an opportunity to further develop students’ knowledge, skills and understanding of patterns.

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Smaller numbers can be found hiding in bigger numbers: K–2 Year A – Unit 4

Smaller numbers can be found hiding in bigger numbers – develops student knowledge, understanding and skills in using combinations of numbers.

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Equal means equivalent: K–2 Year A – Unit 6

This sample multi-age unit explores the big idea 'equal means equivalent'.

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Data helps describe and wonder about the world: K–2 Year A – Unit 7

This sample multi-age unit explores the big idea 'data helps describe and wonder about the world'.

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Collections of ten are really useful: K–2 Year A – Unit 11

This sample unit provides further develops students' knowledge, understanding and skills of place value and number representation.

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Patterns have something that repeats over and over and over again: K–2 Year A – Unit 12

This sample unit develops student knowledge, understanding, and skills in patterning.

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A fraction (like one half) can mean half of a measure or half of a collection: K–2 Year A – Unit 15

This two-week unit develops student knowledge, understanding and skills of rational numbers and fractions.

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Equal means equivalent: K–2 Year B – Unit 6

This sample multi–age unit continues to explore the big idea 'equal means equivalent'.

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Collections of ten are really useful: K–2 Year B – Unit 11

This sample multi–age unit develops student knowledge, understanding, and skills of place value, number representation, and data.

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Smaller numbers can be found hiding in bigger numbers: K–2 Year B – Unit 4

This two-week unit develops student knowledge, understanding and skills of place value and how smaller numbers can be found hiding in bigger numbers.

Interactive

Sites2See: Patterns and Algebra

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