# Stage 3, mathematics, Year B – Unit 30

This 2-week, Year B unit develops the big idea that angles are the primary structural component of many shapes.

Students are provided opportunities to:

• estimate and describe the size of angles using known angles as benchmarks
• estimate, measure and compare angles using degrees
• solve problems involving duration, using 12- and 24-hour time.

### Syllabus outcomes and content groups

Representing quantity fractions B – MAO-WM-01, MA3-RQF-01, MA3-RQF-02

• Compare common fractions with related denominators
• Build up to the whole from a given fractional part
• Use equivalence to add and subtract fractional quantities

Geometric measure B – MAO-WM-01, MA3-GM-03

• Angles: Investigate angles on a straight line and angles at a point
• Angles: Investigate the relationships formed by the intersection of straight lines

Non-spatial measure B – MAO-WM-01, MA3-NSM-02

Time: Compare 12- and 24-hour time systems and convert between them

## Syllabus

Syllabus outcomes and content groups from Mathematics K–10 Syllabus (2022) © NSW Education Standards Authority (NESA) for and on behalf of the Crown in right of the State of New South Wales, 2024.

Category:

• Geometric measure
• Mathematics (2022)
• Non-spatial measure
• Quantity fractions
• Stage 3
• Unit