Probability - Stage 4


This is part of our Secondary Curriculum collection of favourite rich tasks arranged by topic.

Which Spinners?

Age 14 to 18
Challenge Level

Can you work out which spinners were used to generate the frequency charts?

Last One Standing

Age 14 to 16
Challenge Level

Imagine a room full of people who keep flipping coins until they get a tail. Will anyone get six heads in a row?

The Better Choice

Age 14 to 16
Challenge Level

Here are two games you can play. Which offers the better chance of winning?

Same Number!

Age 14 to 16
Challenge Level

If everyone in your class picked a number from 1 to 225, do you think any two people would pick the same number?

Mathsland National Lottery

Age 14 to 16
Challenge Level

Can you work out the probability of winning the Mathsland National Lottery?

Who's the Winner?

Age 14 to 16
Challenge Level

When two closely matched teams play each other, what is the most likely result?

Chances Are

Age 14 to 16
Challenge Level

Which of these games would you play to give yourself the best possible chance of winning a prize?

Odds and Evens Made Fair

Age 14 to 16
Challenge Level

In this follow-up to the problem Odds and Evens, we invite you to analyse a probability situation in order to find the general solution for a fair game.

In a Box

Age 14 to 16
Challenge Level

Chris and Jo put two red and four blue ribbons in a box. They each pick a ribbon from the box without looking. Jo wins if the two ribbons are the same colour. Is the game fair?

Probability Short Problems - Age 14-16

Age 14 to 16

A collection of short problems on probability.



 
You may also be interested in this collection of activities from the STEM Learning website, that complement the NRICH activities above.