Mathematics / Year 2 / Number and Algebra / Fractions and decimals

Curriculum content descriptions

Recognise and interpret common uses of halves, quarters and eighths of shapes and collections (ACMNA033)

Elaborations
  • recognising that sets of objects can be partitioned in different ways to demonstrate fractions
  • relating the number of parts to the size of a fraction
General capabilities
  • Numeracy Numeracy
  • Critical and creative thinking Critical and creative thinking
ScOT terms

Halves,  Quarters,  Eighths

Video

What is a quarter?

What is a quarter? You get quarters when you divide a whole into four equal parts. Each one of these four parts is a quarter. Watch this great explainer produced by Monique in collaboration with ABC Splash and see how she explains quarters.

Interactive

Cassowary sanctuary

Help a park ranger to arrange fencing in a wildlife sanctuary. Divide common geometric shapes into equal-sized sections for keeping cassowaries. Group the enclosures to form a quarantine zone for sick and injured birds. Then express divisions of the enclosures as fractions. Work through facts about the life of cassowaries: ...

Interactive

Fraction fiddle: matching cake fractions

Fill orders in a cake shop. Match a fraction to parts of a cake. For example, identify the fraction of a cake remaining after it has had one quarter removed. Check your prediction by making the fraction and seeing what it looks like as part of a circle. Watch the circle change as you adjust the numerals in the numerator ...

Interactive

Cassowary fractions

Help a park ranger to arrange fencing in a wildlife sanctuary. Divide common geometric shapes into equal-sized sections for keeping cassowaries. Group the enclosures to form a quarantine zone for sick or injured birds. Then express the divisions of the enclosures as fractions. This learning object is one in a series of ...

Interactive

Fraction basics - Easy & Effective Fractions Tutor - iTunes app

Learn about the core concepts of fractions through 12 animated clips. View the clips on the topic that you want to learn about. These clips will help build a string foundation in fractions. Free when reviewed on 12/5/2015.

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New shapes can be made by joining (combining) or partitioning (breaking apart) existing shapes: K–2 Year B – Unit 5

This two-week unit develops student knowledge, understanding, and skills of how new shapes can be made by joining (combining) and breaking apart (partitioning) existing shapes.

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

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

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Fractions: Design your own Flag - Calculate

This activity allows students to explore the concept of fractions with a focus on quarters. Adaptions can be made by changing the fraction. We want students to discover that the same fraction can look different but still have the same quantity/ amount.

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New shapes can be made by joining or partitioning existing shapes: K–2 Year A – Unit 5

New shapes can be made by joining (combining) or partitioning (breaking apart) existing shapes – exploring two-dimensional shapes' attributes and features.

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

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

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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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Fractions: Lili's Breakfast - Calculate

This activity allows students to explore the concept of fractions in a familiar context. It lets them discover halves, quarters and eighths.

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Work sample Year 2 Mathematics: Fractions

This work sample demonstrates evidence of student learning in relation to aspects of the achievement standards for Year 2 Mathematics. The primary purpose for the work sample is to demonstrate the standard, so the focus is on what is evident in the sample not how it was created. The sample is an authentic representation ...

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

This two-week unit develops student knowledge and skills in understanding that a fraction can mean half a collection or half a measure. Students are provided opportunities to engage in meaningful activities using repeated halving to explore halves, quarters or eighths; create and explore collections of objects that have ...

Online

Fractions: Year 2 – planning tool

This planning resource for Year 2 is for the topic of Fractions. Students are extending their knowledge and understanding of the meaning of half to include equivalent fractions (e.g. 2 quarters and 4 eighths).