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Listed under:  Mathematics  >  Number (Mathematics)  >  Number operations  >  Addition
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Mapping a sea voyage: calculating distance

Scientists involved in the Two Bays Project describe data collection methods for their 20-day expedition around Port Phillip and Western Port bays. Watch this clip to view the route mapped out by the scientists. Use Google Maps to recreate the route and calculate the total distance travelled.

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How many are left?

Flynn and Dodly are practising their magic tricks. They are trying to make eggs, muffins and even guinea pigs disappear. Help our two friendly monsters work out how many should be left after their disappearing tricks.

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Addition: adding numbers from one to ten

Flynn and Dodly go camping. While on their camping adventure they investigate adding numbers from one to ten. Watch how they work out how many of each item they have altogether. The Flying Girl and Ben the Bilby also appear.

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Counting pirate treasure

Watch as a stingy pirate captain counts out wages in 'pieces of eight' (gold coins) for one of his crew. Watch as the pirate captain takes away pieces of eight for what he calls 'deductions'. See how much gold the crew member walks away with!

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Addition and subtraction of fractions

Here are some tips for adding and subtracting fractions. See how to ensure the denominators match. You'll use your knowledge of equivalent fractions too. Remember to write your answers in the simplest form.

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Funny money

What do you use money to buy? In this clip we look at Australian money. See the different coins and notes that make up our money system. We investigate if size, (in coins) does matter. Check out how many 5 cent pieces you need to make two dollars. We also look at some currencies used around the world. Find out which country ...

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Elmo's ducks

Sing along with Elmo and his four quacking ducks. One by one the ducks go away. How many ducks are left? See if Elmo's ducks come back.

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Adding and subtracting numbers in the hundreds

Can you add two numbers that are both in the hundreds? Here's an example that uses 149 and 673. See how to carry the tens and hundreds. Also watch how to subtract two numbers that are both in the hundreds. This example uses 741 and 218. Take 218 away from 741. See how to do the tricky bit of 'carrying'.

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Adding two numbers

How many different ways can you think of to add two numbers to reach ten? Watch this video to learn them all!

Teacher resource

Primary mathematics: open-ended tasks

These seven learning activities, which focus on 'open-ended tasks' using a variety of tools (software) and devices (hardware), illustrate the ways in which content, pedagogy and technology can be successfully and effectively integrated in order to promote learning. In the activities, teachers use investigations in order ...

Teacher resource

Number talks

Use these tasks and resources to provide opportunities for students to explain mental strategies for performing calculations. Present a number of mathematical statements for students to investigate whether they are true or false. As a further challenge include statements about percentages and improper fractions.

Teacher resource

TIMES Module 2: Number and Algebra: addition and subtraction - teacher guide

This is a 29-page guide for teachers. The module introduces addition and subtraction of whole numbers.

Teacher resource

TIMES Module 7: Number and Algebra: addition of whole numbers - teacher guide

This is a 16-page guide for teachers. This module introduces addition of whole numbers.

Teacher resource

TIMES Module 8: Number and Algebra: subtraction of whole numbers - teacher guide

This is a 16-page guide for teachers. This module continues the consideration of whole numbers.

Teacher resource

TIMES Module 19: Number and Algebra: whole number arithmetic - teacher guide

This is a 17-page guide for teachers, a module that introduces addition of whole numbers.

Teacher resource

Starting Smart: how are problems solved? - year 2

This curriculum resource package is a ten-week teaching plan and set of resources developed to extend year 2 students' knowledge and understanding of numbers and operations. The package includes seven detailed lesson plans to establish students' current knowledge about counting-on and number bonds to 20. Throughout, students ...

Teacher resource

Starting Smart: how are problems solved? - years 4-6

This curriculum resource package is a ten-week teaching plan and set of supporting resources for the middle to upper primary years, focusing on developing students' problem-solving skills. Beginning with students' understanding and knowledge of number, students learn strategies to use number sentences to solve problems ...

Interactive Resource

Pirate treasure hunt: eight challenges - app for iPad

This is an iPad app. Join forces with Pirate Jack. He needs your help to solve eight problems and find the hidden treasure. Use the map to work your way through the obstacles one by one and in the right order. Apply your maths and literacy skills to make sure you collect the correct item before tackling the next obstacle. ...


BBC Bitesize: fractions - revision

This is a set of information sheets dealing with fraction concepts, terminology and calculations. Students are presented with practice questions and have access to a short test to assess their learning. This resource is one of a series of online resources from the BBC's Bitesize collection.

Interactive Resource

Fraction fiddle: reach the target - app for iPad

This is an iPad app. Help a boy to hit a bullseye with his paper plane. Build two fractions that add up to a target number up to two. Complete the numerators of both fractions (one may have a fixed denominator). For example, work out how many thirds and how many sixths can be added together to total 4/3. Look at fraction ...