# Search by Topic

#### Resources tagged with Making and testing hypotheses similar to The Why and How of Substitution:

Filter by: Content type:
Age range:
Challenge level:

### There are 10 results

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

### The Why and How of Substitution

##### Age 16 to 18

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.

### Babylon Numbers

##### Age 11 to 18 Challenge Level:

Can you make a hypothesis to explain these ancient numbers?

### Ishango Bone

##### Age 7 to 18 Challenge Level:

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

### On the Importance of Pedantry

##### Age 16 to 18

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

### White Box

##### Age 7 to 18 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.

### Arithmagons

##### Age 14 to 16 Challenge Level:

Can you find the values at the vertices when you know the values on the edges?

### Pattern Recognition

##### Age 16 to 18 Challenge Level:

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

### Black Box

##### Age 16 to 18 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

##### Age 11 to 16 Challenge Level:

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