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

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Curriculum content descriptions

Solve simple addition and subtraction problems using a range of efficient mental and written strategies (ACMNA030)

Elaborations
  • becoming fluent with a range of mental strategies for addition and subtraction problems, such as commutativity for addition, building to 10, doubles, 10 facts and adding 10
  • modelling and representing simple additive situations using materials such as 10 frames, 20 frames and empty number lines
General capabilities
  • Literacy Literacy
  • Numeracy Numeracy
  • Critical and creative thinking Critical and creative thinking
ScOT terms

Mental arithmetic,  Subtraction,  Addition,  Written calculations

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11 direct matches to ACMNA030 | 6 other related resources

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This teacher resource describes how 74 public schools in metropolitan, regional and rural Western Australia used three major components of the school improvement cycle to achieve significant improvement in the literacy and numeracy learning outcomes of their students. The resource is organised in nine sections: Summary, ...

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

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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

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

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

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

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

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What needs to be measured determines the Unit of measurement: K–2 Year B – Unit 8

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This sample multi–age unit explores the big idea 'what needs to be measured determines the unit of measurement'.

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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

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

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

  • TLF-IDA005501

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

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

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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

  • TLF-IDA005499

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

  • TLF-IDA005495

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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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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Pass The Count - Calculate

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This game allows students to practice their skip counting skills in small groups.

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See & Say - Calculate

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This class warm-up game focuses on practising addition and subtraction strategies and developing algebraic thinking by using a rule applied to a list of numbers.

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First steps in mathematics: Number – Book 2

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The content of this book is organised into topics including understanding operations, calculating, and reasoning about number patterns.

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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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Interactive

Number frames, by the Math Learning Centre - iTunes app

  • TLF-IDM019628

Addition and subtraction using an interactive bread frame. Encourages the use of different strategies to solve addition and subtraction problems. Drawing tools enables students to annotate work to show their understanding. Write equations with the text tool. Free when reviewed on 12/5/2015.

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