Mathematics · Foundation

Active learning ideas

Comparing Duration: Longer and Shorter Times

This topic works best when students physically experience time rather than just hear about it. Counting claps or timing jumps makes abstract comparisons concrete. Active comparisons deepen understanding because children anchor judgments in lived experience rather than second-hand explanations.

• ACARA Content Descriptions
• AC9M8M01

• 20–40 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Experiential Learning
• 35 min · Small Groups

Small Group Stations: Duration Stations

Prepare four stations with activities: clapping 10 times, hopping on spot, drawing a shape, reciting alphabet to G. Groups rotate every 7 minutes, use a shared sand timer to measure each, then discuss and vote on longest and shortest. Record comparisons on group chart.

Does it take longer to brush your teeth or to eat breakfast?

Facilitation Tip

During Duration Stations, model how to reset timers and record results on a shared chart to keep rotations flowing smoothly.

What to look for

Provide students with two picture cards of common activities (e.g., eating lunch, tying shoes). Ask them to circle the activity that takes longer and draw a line under the activity that takes shorter.

• Apply
• Analyze
• Evaluate
• Self-Awareness
• Self-Management
• Social Awareness

Activity 02

• Experiential Learning
• 25 min · Pairs

Pairs: Buddy Routine Challenge

Pairs select two personal routines, like tying shoes or singing a song. One performs while partner times with claps or a minute timer, then switch roles. Partners compare and label longer or shorter on sticky notes to share with class.

Which activity takes a shorter time , jumping 5 times or writing your name?

Facilitation Tip

For the Buddy Routine Challenge, demonstrate how to time a peer without laughing or rushing, so timing remains fair.

What to look for

Ask students: 'Imagine you have a special treat. Does it take longer to eat it all at once or to eat it slowly, one bite at a time? Why do you think so?' Encourage them to use the words longer, shorter, or about the same.

• Apply
• Analyze
• Evaluate
• Self-Awareness
• Self-Management
• Social Awareness

Activity 03

• Experiential Learning
• 40 min · Whole Class

Whole Class: School Day Timeline

Brainstorm 8-10 school day events on cards. As a class, sequence them on a floor timeline by estimated duration using string markers for short, medium, long. Walk the timeline, justify placements with group votes and reasons.

Can you think of something that takes a very long time and something that happens very quickly?

Facilitation Tip

When creating the School Day Timeline, circulate with a clock or timer to help groups align events to accurate segments.

What to look for

Hold up a sand timer for 30 seconds. Ask students to stand up if they think it takes longer than this to get ready for school. Ask them to sit down if they think it takes shorter. Discuss their responses.

• Apply
• Analyze
• Evaluate
• Self-Awareness
• Self-Management
• Social Awareness

Activity 04

• Experiential Learning
• 20 min · Individual

Individual: Personal Time Sort

Students list or draw three home activities. They mime each twice, self-time with a phone timer or beats, then sort and color-code: red for longest, green for shortest. Share one comparison with a partner.

Does it take longer to brush your teeth or to eat breakfast?

Facilitation Tip

In Personal Time Sort, provide picture cards with clear sequencing cues to reduce ambiguity in sorting.

What to look for

Provide students with two picture cards of common activities (e.g., eating lunch, tying shoes). Ask them to circle the activity that takes longer and draw a line under the activity that takes shorter.

• Apply
• Analyze
• Evaluate
• Self-Awareness
• Self-Management
• Social Awareness

A few notes on teaching this unit

Teachers should start with familiar, low-stakes tasks so students focus on timing rather than correctness. Avoid introducing clocks too early; let children rely on their bodies and peers to gauge duration. Research shows that young learners refine time concepts through repeated, varied comparisons rather than single explanations. Encourage peer discussion because verbalizing reasoning clarifies misconceptions faster than teacher correction alone.

Successful learning looks like students using precise language to justify comparisons, such as ‘Writing my name took longer because I paused to think.’ They should adjust estimates after measuring and explain differences between their feelings and actual timings.

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Watch Out for These Misconceptions

• During Duration Stations, watch for students assuming all fast movements take the same short time.

  During Duration Stations, have students time clapping versus hopping three times each, then compare recorded durations to show variations. Ask them to revise their language, using phrases like ‘clapping took 8 seconds, but hopping took 12.’

• During Buddy Routine Challenge, watch for students confusing duration with physical effort or scale.

  During Buddy Routine Challenge, provide a list of quiet versus active mimes and ask pairs to time both. Post results on a class chart with icons so students see that writing can outlast jumping.

• During School Day Timeline, watch for students assuming their personal feeling of time matches others.

  During School Day Timeline, have groups act out their estimates, then time the actual events. Display both estimates and measured times side-by-side to highlight discrepancies and prompt group justification.

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Methods used in this brief

• Experiential Learning