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Early Encounters with Infinity

Age 5 to 11

This article is one parent's story describing his young son's exploration, and growing understanding, of infinity.

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Early Fraction Development

Age 5 to 11

An article describing activities which will help develop young children's concept of fractions.

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Early Number Sense

Age 5 to 7

These activities will help children develop a strong sense of number.

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Early Number Sense

Age 3 to 11

This article explores the basic foundations of number sense and outlines relevant research in this area.

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Early Years Activities Format Explained

Why we've written what we've written... DOWNLOAD HERE

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Early Years Articles

Age 3 to 5

Early Years articles.

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Early Years Books

Publishing information about books we have referenced (and others that have been recommended to us by you).

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Early Years Foundation Stage Activities

Age 3 to 5

Welcome to our set of EYFS activities. We have designed these, in partnership with our Early Years Practitioner Partners, to support you in developing the initial building blocks for mathematical. . . .

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Early Years Foundation Stage Activities

Age 3 to 5

An introduction to the newly developed EYFS activities.

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Early Years Mathematics: How to Create a Nation of Mathematics Lovers?

Age 3 to 5

In this article, Dr Sue Gifford outlines how we can create positive attitudes and higher achievement in mathematics, starting in the Early Years.

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Early Years Primary PGCE Session Cambridge October 22 2013

Age 3 to 11 Challenge Level:

Links to activities tried in EY/Primary PGCE October 22 2013

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Earth Orbit

Age 16 to 18 Challenge Level:

Follow in the steps of Newton and find the path that the earth follows around the sun.

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Earth Shapes

Age 16 to 18 Challenge Level:

What if the Earth's shape was a cube or a cone or a pyramid or a saddle ... See some curious worlds here.

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Easter Conference 2006

Age 5 to 18

Problems used at association conferences - Easter 2006

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Eating Beans

Age 11 to 14 Short Challenge Level:

The Bean family are very particular about beans. At every meal all Beans eat some beans... At their last meal they ate 23 beans altogether. How many beans did Pa Bean eat?

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ECIS 2018 Educators Conference - Luxembourg

Resources to accompany Charlie's workshops.

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Eclipses of the Sun

Age 7 to 14

Mathematics has allowed us now to measure lots of things about eclipses and so calculate exactly when they will happen, where they can be seen from, and what they will look like.

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Educational Research in Secondary Schools

Age 11 to 18 Challenge Level:

Teacher home pages

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Efficient Cutting

Age 11 to 14 Challenge Level:

Use a single sheet of A4 paper and make a cylinder having the greatest possible volume. The cylinder must be closed off by a circle at each end.

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Efficient Cutting Poster

Age 14 to 16 Challenge Level:

Efficient Cutting - April 2010

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Efficient Packing

Age 14 to 16 Challenge Level:

How efficiently can you pack together disks?

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Eggs in Baskets

Age 5 to 7 Challenge Level:

There are three baskets, a brown one, a red one and a pink one, holding a total of 10 eggs. Can you use the information given to find out how many eggs are in each basket?

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Eggs in Baskets Poster

Age 5 to 7 Challenge Level:

Eggs In Baskets - October 2010

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Egyptian Fractions

Age 11 to 14 Challenge Level:

The Egyptians expressed all fractions as the sum of different unit fractions. Here is a chance to explore how they could have written different fractions.

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Egyptian Rope

Age 7 to 11 Challenge Level:

The ancient Egyptians were said to make right-angled triangles using a rope with twelve equal sections divided by knots. What other triangles could you make if you had a rope like this?

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Egyptian Rope Poster

Age 7 to 11 Challenge Level:

Egyptian Rope - August 2008

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Eight Dominoes

Age 7 to 16 Challenge Level:

Using the 8 dominoes make a square where each of the columns and rows adds up to 8

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Eight Factors Only

Age 14 to 16 Short Challenge Level:

We are given two factors of a number with eight factors. Can you work out the other factors of the number?

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Eight Hidden Squares

Age 7 to 14 Challenge Level:

On the graph there are 28 marked points. These points all mark the vertices (corners) of eight hidden squares. Can you find the eight hidden squares?

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Eight Queens

Age 7 to 11 Challenge Level:

Place eight queens on an chessboard (an 8 by 8 grid) so that none can capture any of the others.

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Eight Ratios

Age 14 to 16 Challenge Level:

Two perpendicular lines lie across each other and the end points are joined to form a quadrilateral. Eight ratios are defined, three are given but five need to be found.

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Eightness of Eight

Age 5 to 7 Challenge Level:

What do you see as you watch this video? Can you create a similar video for the number 12?

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Einstein, the Girl Who Hated Maths

Age 5 to 11 Challenge Level:

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Either Side

Age 14 to 16 Short Challenge Level:

A disc with a pencil inside it is rolled around the outside and inside of a wire equilateral triangle. What shape is drawn by the pencil?

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Elastic Maths

Age 14 to 18

How do you write a computer program that creates the illusion of stretching elastic bands between pegs of a Geoboard? The answer contains some surprising mathematics.

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Electric Kettle

Age 14 to 16 Challenge Level:

Explore the relationship between resistance and temperature

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Electromagnetism

Age 16 to 18

Read all about electromagnetism in our interactive article.

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Elephants and Geese

Age 14 to 16 Short Challenge Level:

Yesterday, at Ulaanbaatar market, a white elephant cost the same amount as 99 wild geese. How many wild geese cost the same amount as a white elephant today?

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Eleven

Age 11 to 14 Challenge Level:

Replace each letter with a digit to make this addition correct.

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Elevens

Age 16 to 18 Challenge Level:

Add powers of 3 and powers of 7 and get multiples of 11.

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Elevenses

Age 11 to 14 Challenge Level:

How many pairs of numbers can you find that add up to a multiple of 11? Do you notice anything interesting about your results?

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Elevenses Poster

Age 11 to 14 Challenge Level:

Elevenses

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Elf Suits

Age 7 to 11 Challenge Level:

If these elves wear a different outfit every day for as many days as possible, how many days can their fun last?

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Ellipses

Age 14 to 18 Challenge Level:

Here is a pattern for you to experiment with using graph drawing software. Find the equations of the graphs in the pattern.

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Em'power'ed

Age 16 to 18 Challenge Level:

Find the smallest numbers a, b, and c such that: a^2 = 2b^3 = 3c^5 What can you say about other solutions to this problem?