You may also like

problem icon

Pi, a Very Special Number

Read all about the number pi and the mathematicians who have tried to find out its value as accurately as possible.

problem icon

Rod Ratios

Use the Cuisenaire rods environment to investigate ratio. Can you find pairs of rods in the ratio 3:2? How about 9:6?

problem icon

Ratio Pairs 2

A card pairing game involving knowledge of simple ratio.

Nutty Mixture

Stage: 2 Challenge Level: Challenge Level:2 Challenge Level:2
Nut mixture

Rachel has a bag of nuts.
For every cashew nut in the bag, there are two peanuts.
There are 8 cashews in Rachel's bag. How may peanuts are there?

 
 
Marianne also has a bag of nuts.
In Marianne's bag, for every two cashew nuts, there are three peanuts.
Marianne's bag contains 12 peanuts in total. How many cashews are in her bag?
 
 

Rachel and Marianne decide to mix their bags of nuts together.
What is the ratio of cashew nuts to peanuts in the mix?

The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice. More information on many of our other activities can be found here.
Copyright © 1997 - 2012. University of Cambridge. All rights reserved.
NRICH is part of the family of activities in the Millennium Mathematics Project.