Mathematics · Foundation · Daily Routines and Sequences of Events · Term 3

Comparing Duration: Longer and Shorter Times

Students calculate the volume of cylinders using formulas and cubic units.

• ACARA Content Descriptions
• AC9M8M01

About This Topic

In Foundation Mathematics within the Australian Curriculum, comparing durations introduces students to time as a dimension of everyday routines. They investigate questions such as 'Does it take longer to brush your teeth or eat breakfast?' and 'Which takes shorter: jumping five times or writing your name?'. Students use language like longer, shorter, and about the same to compare familiar activities. This builds early measurement skills and connects mathematics to personal experiences.

Positioned in the Daily Routines and Sequences of Events unit, this topic supports sequencing events by duration. It strengthens oral language through discussions of habits and prepares for formal time-telling. Students reflect on quick events versus prolonged ones, fostering awareness of time's role in their day.

Active learning excels with this topic because durations are abstract and subjective at first. When students time peers with sand timers, act out routines, or sequence class timelines, they experience comparisons physically. Group sharing of evidence clarifies differences, corrects personal biases, and makes concepts stick through repetition and collaboration.

Key Questions

1. Does it take longer to brush your teeth or to eat breakfast?
2. Which activity takes a shorter time , jumping 5 times or writing your name?
3. Can you think of something that takes a very long time and something that happens very quickly?

Learning Objectives

• Compare the duration of two familiar activities using comparative language such as longer and shorter.
• Classify everyday activities into categories of taking a short time or a long time.
• Sequence a set of familiar daily routines based on their approximate duration.
• Explain how different actions can take different amounts of time.

Before You Start

Identifying and Naming Common Objects and Actions

Why: Students need to be able to recognize and name everyday objects and actions to discuss and compare them.

Basic Sequencing of Events

Why: Understanding that events happen in an order prepares students to think about the time each event takes.

Key Vocabulary

duration	The length of time that something continues or lasts.
longer	Taking more time than something else.
shorter	Taking less time than something else.
about the same	Taking a similar amount of time, not much different.

Watch Out for These Misconceptions

Common Misconception

All fast movements take exactly the same short time.

What to Teach Instead

Students overlook subtle differences in duration. Hands-on station rotations with repeated timings reveal variations, such as clapping versus hopping. Peer discussions of evidence help refine judgments and build precise comparative language.

Common Misconception

Duration depends only on how much you move or the size of the action.

What to Teach Instead

Children confuse time with physical effort or scale. Pair challenges timing mimes of routines separate motion from actual time. Collaborative charts visualize that quiet tasks like writing can take longer than active jumping.

Common Misconception

My feeling of time matches everyone else's.

What to Teach Instead

Subjective perceptions vary. Whole-class timelines expose diverse estimates, prompting evidence-based adjustments. Acting out together standardizes experiences and highlights consensus through group justification.

Active Learning Ideas

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.

35 min·Small Groups

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.

25 min·Pairs

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.

40 min·Whole Class

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.

20 min·Individual

Real-World Connections

• When parents plan a family outing, they consider the duration of activities like visiting a park versus going to the grocery store to manage their children's energy levels and attention spans.
• A chef times how long it takes to chop vegetables for a recipe, comparing it to the time needed to boil water, to efficiently organize their cooking process.
• Young children learn to wait for shorter periods, like the time it takes to sing a song, before they can have a turn with a popular toy.

Assessment Ideas

Exit Ticket

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.

Discussion Prompt

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.

Quick Check

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.

Frequently Asked Questions

How to teach comparing longer and shorter durations in Foundation Maths Australia?

Start with familiar routines tied to key questions. Use comparative language in discussions, then move to hands-on timing. Sequence activities from unit on daily events to reinforce. Visual aids like timelines and charts track comparisons, ensuring alignment with Australian Curriculum measurement strands. Regular reflection solidifies skills.

What hands-on activities for comparing time durations Foundation level?

Set up duration stations, pair timing challenges, class timelines, and personal sorts. Each involves physical performance, peer timing with sand timers or claps, and recording comparisons. These build from concrete experiences to verbal reasoning, fitting 20-40 minute sessions and small to whole group formats.

Common misconceptions when teaching time comparison to Foundation students?

Students think fast actions take no time, confuse duration with movement size, or rely on feelings over evidence. Address through direct timing and group evidence-sharing. Active peer comparisons correct biases quickly, as children see and debate real differences in routines.

How can active learning help students grasp comparing durations?

Active learning counters time's invisibility by making it experiential. Timing peers, rotating stations, and building timelines engage multiple senses and promote talk. Students justify with shared data, reducing misconceptions from personal bias. This kinesthetic approach boosts retention, confidence, and precise use of longer/shorter terms in Foundation contexts.