Please note: This site contains links to websites not controlled by the Australian Government or ESA. More information here.
Tangrams 2 – investigating fractions
Use tangram pieces to explore various maths ideas such as fractions and area. This task challenges students to prove their observations.
Additional details |
|
| Year level(s) | Year 3, Year 4 |
|---|---|
| Audience | Student, Teacher |
| Purpose | Teaching resource, Teaching strategies |
| Format | Video |
| Teaching strategies and pedagogical approaches | Questioning, Targeted teaching, Concrete Representational Abstract model |
| Keywords | rectangle, square, triangle, parallelogram, fractions, half, quarter, reasoning, problem solving, explicit teaching |
Curriculum alignment |
|
| Curriculum connections | Numeracy |
| Strand and focus | Number, Space, Build understanding |
| Topics | Fractions, Shapes and objects, Using units of measurement |
| AC: Mathematics (V9.0) content descriptions |
AC9M3N02
Recognise and represent unit fractions including 12, 13, 14, 15 and 110 and their multiples in different ways; combine fractions with the same denominator to complete the whole
AC9M4N03
Find equivalent representations of fractions using related denominators and make connections between fractions and decimal notation |
| Numeracy progression |
Interpreting fractions (P5)
|
Copyright details |
|
| Organisation | NSW Department of Education |
| Copyright | © State of New South Wales (Department of Education), 2020 Creative Commons Attribution 4.0, unless otherwise indicated. |
Related resources
-
Tangrams: An interactive challenge
Teacher notes to guide students’ investigation of combining plane shapes into other arrangements.
Resource details -
Shape overlays: Picture
Students position two simple shapes to form an overlap, then cut out that new shape.
Resource details -
Finding the area of compound shapes
Use this interactive to explore the area of compound shapes.
Resource details -
Mathigon: Tangram
Use this virtual manipulative for students to practise spatial rotation and explore relationships between shapes.
Resource details -
Cool times with heat
A multi-session unit providing practical opportunities for measuring temperature using thermometers.
Resource details -
Make your own ruler
Students estimate, measure and compare lengths using informal units and compare these measurements with those made using metric instruments, including rulers, measuring tapes and trundle wheels.
Resource details -
How long is a foot?
Students explore length using informal units (e.g. finger, palm, handspan, paperclip, leaf) and have opportunities to estimate and then measure length.
Resource details -
First steps in mathematics: Space – diagnostic tasks
A collection of diagnostic tasks designed to use with students to assess their understanding of space-related concepts in mathematics.
Resource details