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V-P Cycles

Age 16 to 18 Challenge Level:

Form a sequence of vectors by multiplying each vector (using vector products) by a constant vector to get the next one in the seuence(like a GP). What happens?

Vaccination Game

Age 11 to 16

This activity encourages students to consider the effect of vaccination on the spread of a disease.

Valuable Percentages

Age 11 to 14 Short Challenge Level:

Weekly Problem 23 - 2010
These numbers have been written as percentages. Can you work out which has the greatest value?

Vanishing Point

Age 14 to 18 Challenge Level:

How can visual patterns be used to prove sums of series?

Vanishing Roots

Age 14 to 18

If $y=x^2-6x+c$, and we vary $c$, what happens to the roots when $c>9$?

Various Venns

Age 7 to 11 Challenge Level:

Use the interactivities to complete these Venn diagrams.

Vector Gem Collector

Age 14 to 18 Challenge Level:

Use vectors to collect as many gems as you can and bring them safely home!

Vector Journeys

Age 14 to 18 Challenge Level:

Charlie likes to go for walks around a square park, while Alison likes to cut across diagonally. Can you find relationships between the vectors they walk along?

Vector Racer

Age 11 to 16 Challenge Level:

The classic vector racing game.

Vector Walk

Age 14 to 18 Challenge Level:

Starting with two basic vector steps, which destinations can you reach on a vector walk?

Vectors

Age 11 to 14 Challenge Level:

Working on these problems will help you develop a better understanding of vectors.

Vectors - Short Problems

A collection of short problems on vectors.

Vectors in Mechanics

Age 16 to 18

Resources to support the teaching and learning of vectors in mechanics

Vectors Round a Square

Age 11 to 16

What is special about the relationships between vectors that define a square?

Vedic Sutra - All from 9 and Last from 10

Age 14 to 16 Challenge Level:

Vedic Sutra is one of many ancient Indian sutras which involves a cross subtraction method. Can you give a good explanation of WHY it works?

Vegtown Elections

Age 14 to 16 Short Challenge Level:

What percentage of people voted for the Broccoli party in the Vegtown election?

Venn Diagram Fun

Age 16 to 18 Short Challenge Level:

Can you create a Venn diagram?

Venn Diagrams

Age 5 to 11 Challenge Level:

Use the interactivities to complete these Venn diagrams.

Very Average

Age 14 to 16 Short Challenge Level:

If each number in this list is the average of the two numbers before it, what is the value of a?

Very Long Line

Age 14 to 16 Short Challenge Level:

If the line on the right were 0.2mm thick, how long would it need to be to cover an area of one square metre?

Very Old Man

Age 16 to 18 Challenge Level:

Is the age of this very old man statistically believable?

Video Conference - Proof

Age 16 to 18 Challenge Level:

Details of the Motivate Video Conference on Proof given on 13th October 2008

Video List

A list of the video resources available on nrich

Vienna International School

Resources to accompany Charlie's workshop with teachers.

Virtual Geoboard

A virtual geoboard that allows you to create shapes by stretching rubber bands between pegs on the board. Allows a variable number of pegs and variable grid geometry and includes a point labeller.

Visual Proofs

Pictures that tell a story; proofs without words.

Visualising

Age 11 to 14

Work on these problems to improve your visualisation skills.

Visualising

Age 11 to 16

Problems about visualising for use with Stage 3 and 4 students.

Age 16 to 18

Problems about visualising for use with Stage 5 students.

Visualising - Short Problems

Age 11 to 16

A collection of short Stage 3 and 4 problems on Visualising.

Visualising - Upper Secondary

Age 14 to 18

Develop your skills of visualisation of mathematical objects

Visualising and Representing Complex Numbers

Age 16 to 18 Challenge Level:

What are complex numbers, and how can we represent them?

Visualising at KS1

Age 5 to 7

These lower primary tasks all specifically draw on the use of visualising.

Visualising at KS2

Age 7 to 11

These upper primary tasks all specifically draw on the use of visualising.

Vital?

Age 16 to 18 Challenge Level:

Third challenge cipher

Volume and Capacity KS2

Age 7 to 11

These resources introduce and explore the concepts of volume and capacity.

Volume of a Pyramid and a Cone

Age 11 to 14

These formulae are often quoted, but rarely proved. In this article, we derive the formulae for the volumes of a square-based pyramid and a cone, using relatively simple mathematical concepts.

Volume of a Pyramid and a Cone - Animations

These are the interactivities for the article 'Volume of a Pyramid and a Cone on NRICH website. They might take a very long time to load on some computers.

Von Koch Curve

Age 16 to 18 Challenge Level:

Make a poster using equilateral triangles with sides 27, 9, 3 and 1 units assembled as stage 3 of the Von Koch fractal. Investigate areas & lengths when you repeat a process infinitely often.