Venn diagrams

problem
Takeaway time

Age

14 to 16

Challenge level

Pizza, Indian or Chinese takeaway? If everyone liked at least one, how many only liked Indian?
problem
One or both

Age

14 to 16

Challenge level

Problem 1 was solved by 70% of the pupils. Problem 2 was solved by 60% of them. Can you work out how many pupils took the exam?
problem
Inclusion exclusion

Age

11 to 14

Challenge level

How many integers between 1 and 1200 are NOT multiples of any of the numbers 2, 3 or 5?
problem
Data shapes

Age

5 to 7

Challenge level

Sara and Will were sorting some pictures of shapes on cards. "I'll collect the circles," said Sara. "I'll take the red ones," answered Will. Can you see any cards they would both want?
problem
Venn diagrams

Age

5 to 11

Challenge level

How will you complete these interactive Venn diagrams?
problem
Plants

Age

5 to 14

Challenge level

Three children are going to buy some plants for their birthdays. They will plant them within circular paths. How could they do this?
problem
Data duos

Age

7 to 11

Challenge level

Can you match the Venn diagram with the Carroll diagram that shows the same information?
problem
More children and plants

Age

7 to 14

Challenge level

This challenge extends the Plants investigation so now four or more children are involved.
problem
More plant spaces

Age

7 to 14

Challenge level

This challenging activity involves finding different ways to distribute fifteen items among four sets, when the sets must include three, four, five and six items.
problem
Clubs

Age

11 to 14

Challenge level

How many students are in the maths club and the science club?