Mathematics – Stage 1 – Year A – Unit 15

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

Mathematics K-2 Syllabus © 2022 NSW Education Standards Authority (NESA) for and on behalf of the Crown in right of the State of New South Wales.

Students are provided opportunities to:

  • explore that a fraction, such as one half, can mean half of a collection, half of an object or half of a measure
  • understand that a fraction is a number
  • investigate that when a whole is cut or partitioned into equal parts, the number of parts increases but the size of each part is smaller (decreases)
  • develop an understanding that a fraction which describes two equal partitions of a whole, and four equal partitions of a whole, have a name, half and quarter
  • demonstrate that there is more than one way to create a half of a collection, an object or a measure
  • recognise that not all partitions of a whole will result in equal shares, but instead have leftovers or a remainder which sometimes can be partitioned further
  • apply knowledge of equal partitioning to solve problems with remainders.

Syllabus focus and content group

Representing whole numbers A – MAO-WM-01, MA1-RWN-01, MA1-RWN-02
  • Use counting sequences of ones with two-digit numbers and beyond
  • Continue and create number patterns
  • Represent numbers on a line
  • Represent the structure of groups of ten in whole numbers
Representing whole numbers B – MAO-WM-01, MA1-RWN-01, MA1-RWN-02
  • Use counting sequences of ones and tens flexibly
Combining and separating quantities A – MAO-WM-01, MA1-CSQ-01
  • Recognise and recall number bonds up to ten
Forming groups A – MAO-WM-01, MA1-FG-01
  • Recognise and represent division
Forming groups B – MAO-WM-01, MA1-FG-01
  • Model doubling and halving with fractions
Geometric measure A – MAO-WM-01, MA1-GM-01, MA1-GM-02, MA1-GM-03
  • Length: Compare lengths using uniform informal units
  • Lengths: Subdivide lengths to find halves and quarters
Geometric measure B – MAO-WM-01, MA1-GM-01, MA1-GM-02, MA1-GM-03
  • Length: Recognise and use formal units to measure the lengths of objects
  • Lengths: Repeatedly halve lengths to form eighths

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