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Resources tagged with Video similar to Be Reasonable:

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There are 27 results

Broad Topics > Information and Communications Technology > Video

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Impossible Square?

Age 16 to 18 Challenge Level:

Can you make a square from these triangles?

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Slick Summing

Age 14 to 16 Challenge Level:

Watch the video to see how Charlie works out the sum. Can you adapt his method?

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Summing Geometric Progressions

Age 14 to 18 Challenge Level:

Watch the video to see how to sum the sequence. Can you adapt the method to sum other sequences?

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Speedy Summations

Age 16 to 18 Challenge Level:

Watch the video to see how to add together an arithmetic sequence of numbers efficiently.

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A Brief Introduction to Complex Numbers

Age 14 to 18 Challenge Level:

In this problem, we define complex numbers and invite you to explore what happens when you add and multiply them.

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James's Code Challenge

Age 7 to 18 Challenge Level:

The Enigma Project's James Grime has created a video code challenge. Watch it here!

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Introduction to Number Plumber

Age 7 to 18 Challenge Level:

Video showing how to use the Number Plumber

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Alison's Mapping

Age 14 to 16 Challenge Level:

Alison has created two mappings. Can you figure out what they do? What questions do they prompt you to ask?

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Impossible Triangles?

Age 16 to 18 Challenge Level:

Which of these triangular jigsaws are impossible to finish?

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Beelines

Age 14 to 16 Challenge Level:

Is there a relationship between the coordinates of the endpoints of a line and the number of grid squares it crosses?

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Factorising with Multilink

Age 14 to 16 Challenge Level:

Can you find out what is special about the dimensions of rectangles you can make with squares, sticks and units?

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Sorted

Age 16 to 18 Challenge Level:

How can you quickly sort a suit of cards in order from Ace to King?

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Power Countdown

Age 14 to 16 Challenge Level:

In this twist on the well-known Countdown numbers game, use your knowledge of Powers and Roots to make a target.

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Symmetric Tangles

Age 14 to 16

The tangles created by the twists and turns of the Conway rope trick are surprisingly symmetrical. Here's why!

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Steve's Mapping

Age 16 to 18 Challenge Level:

Steve has created two mappings. Can you figure out what they do? What questions do they prompt you to ask?

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Cyclic Quad Jigsaw

Age 14 to 16 Challenge Level:

A picture is made by joining five small quadrilaterals together to make a large quadrilateral. Is it possible to draw a similar picture if all the small quadrilaterals are cyclic?

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Air Nets

Age 7 to 18 Challenge Level:

Can you visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.

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Take Three from Five

Age 14 to 16 Challenge Level:

Caroline and James pick sets of five numbers. Charlie chooses three of them that add together to make a multiple of three. Can they stop him?

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Galley Division

Age 14 to 16 Challenge Level:

Can you explain how Galley Division works?

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Plaited Origami Polyhedra

Age 7 to 16 Challenge Level:

These models have appeared around the Centre for Mathematical Sciences. Perhaps you would like to try to make some similar models of your own.

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Circuit Maker

Age 11 to 18 Challenge Level:

Investigate how logic gates work in circuits.

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Helicopters

Age 7 to 16 Challenge Level:

Design and test a paper helicopter. What is the best design?

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Whirlyball

Age 16 to 18 Challenge Level:

Whirl a conker around in a horizontal circle on a piece of string. What is the smallest angular speed with which it can whirl?

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The Invertible Trefoil

Age 14 to 16 Challenge Level:

When is a knot invertible ?

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Turning the Place Over

Age 11 to 18 Challenge Level:

As part of Liverpool08 European Capital of Culture there were a huge number of events and displays. One of the art installations was called "Turning the Place Over". Can you find our how it works?

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The Best Card Trick?

Age 11 to 16 Challenge Level:

Time for a little mathemagic! Choose any five cards from a pack and show four of them to your partner. How can they work out the fifth?

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Kingsfield School - Building on Rich Starting Points

Age 5 to 18

Alf and Tracy explain how the Kingsfield School maths department use common tasks to encourage all students to think mathematically about key areas in the curriculum.