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Mathematics / Year 9 / Measurement and Geometry / Using units of measurement

View on Australian Curriculum website Australian Curriculum, Assessment and Reporting Authority
Curriculum content descriptions

Investigate very small and very large time scales and intervals (ACMMG219)

Elaborations
  • investigating the usefulness of scientific notation in representing very large and very small numbers
General capabilities
  • Numeracy Numeracy
ScOT terms

Time units,  Timelines,  Scale (Proportions),  Scientific notation

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Video

Measure a tree without using a ladder

What do you do when you need to measure a length, height or distance but don't have a ruler or some other measuring instrument? You can compute linear measurements with surprising accuracy using indirect measurements, proportions and estimations. Learn a nifty trick to measure a tree from a distance.

Online

Personal timelines

This unit explores the concept and language of time and then moves to using sources to create a personal representation of the passing of time by exploring memory and creating a personal timeline.

Image

Sunshine recorder

This is a Campbell-Stokes recorder used to measure the duration of bright sunshine. It consists of a glass sphere mounted in metal bowl which is fixed on a slate base and grooved on its inner surface to hold bent strips of card, on which hours are marked. Focused heat burns through the card, and the duration of sunshine ...

Text

Can you find your eight’s optimal training regime?

This resource is a web page containing an interactive resource to investigate the effect on a time trial or race after changes to a training regime. This is a useful resource to discuss how to conduct a fair test and get reliable data. Record results from trials in a table to analyse results. This resource is an activity ...

Video

How many heads tall are you?

What are non-standard measurement units? Did you know we can reliably use objects in the real world, including our own body parts, to measure things? This concept of anthropometry, the ratios of body measurements, was first proposed by Leonardo da Vinci.

Video

Leap second

We all know there are 60 seconds in a minute... or are there? Every few years an extra second is added to a day, and this is called a 'leap second'. Find out why we have leap seconds and why they mightn't be around for much longer.

Video

What's in a year?

You may know of the four seasons. In the southern parts of Australia the year is often divided up into spring, summer, autumn and winter. But what about other parts of Australia? Find out what seasons they have in northern Australia. See how the year is divided into months and shown as a calendar. You'll also see how many ...

Video

Late again!

Ever missed an appointment because you misread a timetable? Well it is easily done if you don't know how to read 24 hour time. In this clip, see how to read 24 hour time and find out where it is commonly used. Look at the other time system used -12 hour time. Find out what those letters 'am' and 'pm' really mean! Compare ...

Video

Measuring time informally and reading clocks

Dodly is getting ready for a very special occasion tomorrow. How will he fill in his time? How long does he have to wait? And what is his special occasion? With Dodly, Flynn and the Flying GIrl, investigate different ways of measuring time and discover how to read analogue and digital clocks.

Video

Expeditions return home from 'New Holland'

Discover what happens when the expeditions of Matthew Flinders and Nicolas Baudin return home. Both explorers brought back detailed maps and specimens, including live kangaroos and emus, from 'New Holland'. How will each explorer be celebrated and remembered? Watch this clip to find out.

Video

Small scale measurements

What units of measurements do we use to describe incredibly small things like blood cells and atoms? Watch as you are taken on a journey to explain the different units of measurement that we use to describe the very small.

Video

Drawing a floor plan

How do we know what a house will look like before it is built? Discover how house plans work by looking at the design of a house that Hugo's family is going to build. See how a floor plan shows the room layout. See drawings of what the house will look like from different views.

Interactive

Languages online: Indonesian section 26: days and months

This set of nine interactive activities from the Languages online resource helps students practise the days of the week and the months of the year. The main language points are asking and saying what day it is, saying what people do on a particular day, saying which months birthdays fall in and saying that a special event ...

Interactive

Languages online: Indonesian section 32: modes of transport

This set of ten interactive activities from the Languages online resource helps students practise basic vocabulary for 12 different modes of transport. The key language points are asking how you travel to a place, saying the transport you use and asking when a train departs (using 24-hour time) and, from a cultural perspective, ...

Interactive

Light and shadows

Look at how a tree makes a shadow during a sunny day. Notice that objects always casts shadows that face away from the Sun. Examine how the shape and position of a shadow is related to the time of day and position of the Sun. Explore the shadows cast by different objects such as a bike, an umbrella and a child. Position ...

Online

Measuring familiar things

Explore the attributes of familiar items. Make direct comparisons of these items based on length, mass (heaviness) or capacity (volume, or how much something holds). Use appropriate everyday language to describe the comparisons made. Use uniform informal units to measure items. Tell the time to the hour and half-hour using ...

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Best friends

This collection of interactive and printable resources introduces ways of describing best friends and using time adverbs such as soon, later, today, tonight and tomorrow to say when people are arriving. It focuses on using the expressions 'il mio migliore amico' or 'la mia migliore amica' and developing their use in simple ...

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Modes of transport

This is a collection of digital activities and printable worksheets for the Italian curriculum, focusing on how people travel (for example, 'vado a piedi', 'in auto', 'in tram', 'in treno'), means of transport ('prendo il ...') and how to ask when a train leaves, using the 24-hour clock. It introduces the core questions ...

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Telling the time

This is a collection of digital activities and printable worksheets introducing how to ask for and tell the time in Italian, both in exercise form and in the context of describing daily routines and habits. It focuses on the core questions 'Che ore sono?', 'Che ora è?' and 'A che ora ...?', and contextualises the language ...

Text

Days and months

This is a collection of digital activities and printable worksheets for the Italian language curriculum introducing the days of the week, the months, and festivities such as Pasqua and Ferragosto. Activities are mostly in cultural contexts that include what people do, where they go and what they celebrate on specific days. ...