A bowl of fruit
Can you work out how many apples there are in this fruit bowl if you know what fraction there are?
Problem
Here is a bowl of fruit.
Image
Half of the pieces of fruit in the bowl are apples. There are also $3$ oranges, $2$ pears and a banana.
How many apples are there in the bowl?
If, instead, one quarter were apples and one quarter were oranges and there were also $4$ bananas, $3$ pears and $3$ plums how many would be apples?
Getting Started
In total, what fraction of the fruit in the bowl are oranges, pears and bananas?
How many pieces of fruit which are not apples are there altogether?
In the second part of the problem, what fraction of the fruit in the bowl are bananas, pears and plums?
How many bananas, pears and plums are there altogether?
Teachers' Resources
Why do this problem?
This problem requires a sound understanding of the relationship between part and whole. It could be used as part of a lesson on finding fractions of numbers and quantities.
Possible approach
A good introduction to this problem could be to have the image of a bowl of fruit for all the group to see and to invite them to talk about it. This could be the one in the problem on an interactive whiteboard or another picture. A real bowl of fruit could also be used if that were possible.
You could steer the conversation towards fractions if the children do not naturally bring it up. Asking general questions about the fractions of different fruits in the bowl and referring also to the fraction of "other fruit" will give children the confidence to tackle this problem.
Children should be encouraged to record in any way they find useful while working on this problem. Many may find it helpful to use practical equipment to represent the fruit, for example blocks or counters, perhaps with different colours standing for different types.
Key questions
What fraction of fruit in the bowl is apples?
What fraction of fruit in the bowl is not apples?
Possible extension
Children could make up similar problems for each other to do. Some learners could be encouraged to use cards or symbols and move into a kind of algebra.