Year 1, Term 1: Graphs

Focus: Representations

Scope and sequence: Bar graphs

Learning intention: Students reason about representations of data to describe and interpret the results.

NSW Syllabus
Australian Curriculum (version 9.0)
"A student reasons about representations of data to describe and interpret the results." (MA1-DATA-02)
"Students learn to represent collected data for a categorical variable using one-to-one displays and digital tools where appropriate; compare the data using frequencies and discuss the findings." (AC9M1ST02)

Week 1

Introduction to bar graphs

Make a class bar graph using Unifix blocks to represent student birthdays across the 12 months.  Each child has their own block which they place on the corresponding month to create a 3D bar graph.


Week 2

Data visualisation in graphs and charts

This video (1:31) describes graphs and charts as a way to visualise data.  It mentions three methods of collecting data, namely:

  1. Observing
  2. Asking questions
  3. Taking measurements


Week 3


Week 4


Week 5


Week 6


Week 7


Week 8


Week 9


Week 10

Moderated self-assessment

Relevant terminology (in alphabetical order): axis, category, column, data, graph, interpretation, representation, row, table.

Relationships between components: Data is collected through counting, measurement or observations and entered into a table.  A bar graph is a representation of this data.


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