Calculating Elapsed Time
Calculating durations of events in minutes and hours, using timelines and number lines.
Key Questions
- Construct a timeline to solve a problem involving elapsed time.
- Compare different strategies for calculating the duration between two times.
- Predict how changing the start or end time affects the total elapsed time.
ACARA Content Descriptions
Suggested Methodologies
Ready to teach this topic?
Generate a complete, classroom-ready active learning mission in seconds.
Planning templates for Mathematics
5E Model
The 5E Model structures lessons through five phases (Engage, Explore, Explain, Elaborate, and Evaluate), guiding students from curiosity to deep understanding through inquiry-based learning.
unit plannerMath Unit
Plan a multi-week math unit with conceptual coherence: from building number sense and procedural fluency to applying skills in context and developing mathematical reasoning across a connected sequence of lessons.
rubricMath Rubric
Build a math rubric that assesses problem-solving, mathematical reasoning, and communication alongside procedural accuracy, giving students feedback on how they think, not just whether they got the right answer.
More in Parts of a Whole: Fractions
Representing Unit Fractions
Identifying halves, quarters, eighths, thirds, and fifths of shapes and collections using concrete materials.
3 methodologies
Fractions on a Number Line
Locating and ordering unit fractions between zero and one on a number line, understanding their relative size.
3 methodologies
Equivalent Fractions (Halves, Quarters, Eighths)
Exploring and identifying equivalent fractions, focusing on halves, quarters, and eighths using visual models.
3 methodologies
Comparing Unit Fractions
Comparing and ordering unit fractions with different denominators using visual aids and reasoning.
3 methodologies
Metric Length and Perimeter
Measuring lengths using centimeters and meters and calculating the boundary of 2D shapes using standard units.
3 methodologies