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Listed under:  Mathematics  >  Number (Mathematics)  >  Proportions  >  Decimals
Teacher resource

TIMES Module 28: Number and Algebra: the real numbers - teacher guide

This is a 31-page guide for teachers. It brings together many ideas concerning real numbers. Integers, rational numbers and irrational numbers are discussed.

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Calculating percentage and simple interest: Banking

Most of us use banks to keep our money safe. We put our money in, can access it at any time and earn interest. So how do the banks make such enormous profits? Where does that money come from? Listen to Nathan Bazley explain how the banks use your money and make a profit. This clip provides a context for percentage, simple ...

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Decimal multiplication: petrol prices

Petrol for our cars is made from crude oil. The price of crude oil is constantly changing. This affects the price of petrol at the pump. Listen to Natasha Thiele explain how and why the price of petrol keeps changing. This clip provides context for decimal multiplication.

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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.

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Are plants mathematicians?

Ever noticed that plants are examples of Fibonacci numbers? Watch Vi Hart draw examples of flower petals and leaf growth that follow this pattern. See how plants seem to use Phi (.), the golden ratio. Find out how to make your own 'angle-a-tron' to create interesting petal designs. This is the second in a series of two.

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Multiplying and dividing decimals

Learn how to multiply and divide decimals by 100. Based on this video, see if you can work out how to multiply and divide decimals by 10 and 1000. What do you get if you multiply 0.375 by 10?

Teacher resource

Mental computation: fractions and decimals

This is a teacher resource that is part of a wider series; it provides a structured strategies-based approach to mental computation of problems involving common and decimal fractions for primary level. It provides nine classroom activities that enable students to develop mental-computation skills in sequence by building ...

Interactive resource

Swamp survival: hundredths counting

Help the boy cross the dangerous swamp by making a path of stepping stones. Place the decimals in an ascending order, counting by either tenths or hundredths to form the path. Compare the decimal fraction on each stepping stone to the others to see if it is larger or smaller. Look for a counting pattern. Put the decimals ...

Interactive resource

Swamp survival: hundredths patterns

Help the boy cross the dangerous swamp by making a path of stepping stones. Place the decimals in an ascending order, skip-counting by tenths or hundredths to form the path. Compare the decimal fraction on each stepping stone to the others to see if it is larger or smaller. Look for a skip-counting pattern. Put the decimals ...

Interactive resource

Swamp survival: hundredths challenge

Help the boy cross the dangerous swamp by making a path of stepping stones. Place the decimals in an ascending order to form the path. Compare the decimal fraction on each stepping stone to the others to see if it is larger or smaller. Look carefully at whole numbers and the tenths or hundredths. Put the decimals in order ...

Interactive resource

Swamp survival: thousandths counting

Help the boy cross the dangerous swamp by making a path of stepping stones. Place the decimals in an ascending order, counting by thousandths to form the path. Compare the decimal fraction on each stepping-stone to the others to see if it is larger or smaller. Look for a counting pattern. Put the decimals in order from ...

Interactive resource

Swamp survival: thousandths patterns

Help the boy cross the dangerous swamp by making a path of stepping stones. Place the decimals in an ascending order, skip-counting by hundredths and thousandths to form the path. Compare the decimal fraction on each stepping stone to the others to see if it is larger or smaller. Look for a skip-counting pattern. Put the ...

Interactive resource

Swamp survival: thousandths challenge

Help the boy cross the dangerous swamp by making a path of stepping stones. Place the decimals in an ascending order to form the path. Compare the decimal fraction on each stepping stone to the others to see if it is larger or smaller. Look carefully at whole numbers and the tenths, hundredths or thousandths. Put the decimals ...

Teacher resource

HOTmaths: exploring relative frequency: solution sheet

This resource provides further information about the tasks in the learning object 'HOTmaths: exploring relative frequency', as well as solutions for the tasks.

Teacher resource

HOTmaths: using relative frequency: solution sheet

This resource provides examples of possible solutions for each task in the learning object 'HOTmaths: using relative frequency'.

Teacher resource

Using 'Fraction action' - Teacher idea

This Teacher idea recounts the experiences of using R11475 'Fraction action - unit of work' with four year 7 classes. The focus was on students understanding the interchangeable relationship between common fractions, decimal fractions and percentages.

Teacher resource

Take a chance - unit of work

This unit provides students with a real life context to investigate the language of chance and how events may be manipulated to alter the chance of something happening. It also introduces the use of fractions, decimals and percentages when looking at probability.

Teacher resource

Fraction action - unit of work

In this unit of work students move from working with tenths, hundredths and thousandths to relating common and decimal fractions and percentages.

Teacher resource

Language of chance - unit of work

This unit provides students with a real life context to investigate the language of chance.

Teacher resource

Games of chance - unit of work

This unit provides students with a real life context to investigate chance by exploring and creating games of chance.