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Resources tagged with Making and testing hypotheses similar to Black Box:

Other tags that relate to Black Box

Proof by contradiction. Prime numbers. Prime factors. Making and testing hypotheses. Making and proving conjectures. Arithmetic sequence. History of mathematics. Combinatorics. Factors and multiples. Number - generally.

There are 12 results

Broad Topics > Using, Applying and Reasoning about Mathematics > Making and testing hypotheses

Black Box

Stage: 5 Challenge Level:

This black box reveals random values of some important, but unusual, mathematical functions. Can you deduce the purpose of the black box?

Charlie's Delightful Machine

Stage: 3 and 4 Challenge Level:

Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?

The Why and How of Substitution

Stage: 5

Step back and reflect! This article reviews techniques such as substitution and change of coordinates which enable us to exploit underlying structures to crack problems.

On the Importance of Pedantry

Stage: 3, 4 and 5

A introduction to how patterns can be deceiving, and what is and is not a proof.

The Olympic Flame: Are You in the 95%?

Stage: 2, 3 and 4 Challenge Level:

95% of people in Britain should live within 10 miles of the route of the Olympic Torch tour. Is this true?

White Box

Stage: 2, 3, 4 and 5 Challenge Level:

This game challenges you to locate hidden triangles in The White Box by firing rays and observing where the rays exit the Box.

Ishango Bone

Stage: 2, 3, 4 and 5 Short Challenge Level:

Can you decode the mysterious markings on this ancient bone tool?

Babylon Numbers

Stage: 3, 4 and 5 Challenge Level:

Can you make a hypothesis to explain these ancient numbers?

Pattern Recognition

Stage: 5 Challenge Level:

When does a pattern start to exhibit structure? Can you crack the code used by the computer?

Understanding Hypotheses

Stage: 3, 4 and 5

This article explores the process of making and testing hypotheses.

Introducing NRICH TWILGO

Stage: 1, 2, 3, 4 and 5 Challenge Level:

We're excited about this new program for drawing beautiful mathematical designs. Can you work out how we made our first few pictures and, even better, share your most elegant solutions with us?

Two Classes Working on Counting Cogs

Stage: 1, 2, 3, 4 and 5 Challenge Level:

Two video clips of classes organised into groups to work on Counting Cogs.