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Listed under:  Mathematics  >  Number (Mathematics)  >  Number operations  >  Accuracy and precision
Video

Rounding whole numbers: 2

This is a video demonstration of rounding a whole number to the nearest thousand. In the commentary, the presenter explains the thinking behind the process of rounding such numbers and presents a visual representation of rounding whole numbers using a number line. Practice questions with answers are included, and hints ...

Online

MoneySmart: Hey! Let's have a big day out!

This is a year 5 mathematics unit of work about costing and budgeting for various types of family outings. The unit is intended to take about 7.5 hours of teaching and learning time, and is recommended for near the end of the school year. It consists of an introduction, five sets of student activities, and teacher notes ...

Interactive

experiMENTALS: Straw propeller

This resource contains a materials and instruction list and brief explanation for students about the process of creating a propeller using two bendy straws and a pair of scissors. A simple demonstration of one of Newton's Laws.

Video

Measuring Speed (Simulation)

Students use this resource consisting of a webpage with diagrams of three cars that students can vary the speed at which they are travelling. They can calculate the time to travel 3000m and then observe the cars as they travel the distance. This demonstrates how to work out the speed of a moving object and how to make calculations ...

Video

Elliot and the Surfing Scientist: Pepper scatter experiment

Watch what happens in this pepper scatter experiment by Surfing Scientist, Ruben Meerman. Ruben demonstrates an important property of water, surface tension, by dipping a toothpick into water sprinkled with pepper. Find out what happens when detergent is added.

Online

Home energy use

Reducing carbon dioxide emissions and sustainable energy use and are two of the major issues facing the world today. This project explores energy use in homes, and compares individual energy use with the class average and calculate and graph CO2 emissions.

Video

Elliot and the Surfing Scientist: Salt water density experiment

Discover what density is and how you can test the density of liquids. You will also find out about salt water and how its density is responsible for the circulation of water around the world's oceans.

Online

Makey Makey boards

In this sequence of lessons students explore how electrical energy can be transferred and transformed in electrical circuits, using Makey Makey boards as the basis for experimentation and recoding of data.

Audio

Bob Brown recalls the launch of the Blue Streak, 2006

This is an edited sound recording of Bob Brown recalling the excitement in Woomera in South Australia at the intended first launch of a Europa Blue Streak rocket from the nearby rocket range in June 1964. He tells how hundreds of families gathered to watch, only to be let down when the launch was cancelled with just seconds ...

Interactive

The foul food maker: go figure

This tutorial is suitable for use with a screen reader. It explains how the use of simple words can describe the likelihood of everyday events. How likely is an event: certain, likely, equal chance, unlikely or certainly not? Answer some questions using these words and then build your own examples. Learn how to describe ...

Interactive

Energy-efficient house

Explore how the temperature inside a house is affected by air flowing in and out. Look closely at the energy effects of design variables in a house such as insulation materials, window coverings and window direction. Build a house with maximum energy efficiency by adjusting key design variables. Change the house design ...

Audio

Ian Ritchie describes the launch of the Blue Streak, 2006

This is an edited sound recording of Ian Ritchie recalling the first launch of a Europa Blue Streak rocket from the Woomera rocket range in South Australia on 5 June 1964. Ritchie, an engine technician at the range, tells of the noise at lift-off and how the first flight of the rocket was cut short. The recording was made ...

Interactive

Cassowary ecology quiz

Explore facts about the life of cassowaries: physical characteristics; diet; habitat; life cycles; and locations. Interact with graphs to see how much people can help cassowaries. Work through ecology notes and resources. Answer questions as you go; express your answers as fractions. This learning object is one in a series ...

Interactive

Fair test

Run experiments in a plant research laboratory. Investigate the effects of different variables on the growth of lettuces, peas and tomatoes. Research the answers to questions about how to achieve optimum hydroponic growth conditions. Examine the effect of key variables on growth: nitrogen, temperature, light intensity and ...