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?
Use the interactivities to complete these Venn diagrams.
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.
Three children are going to buy some plants for their birthdays. They will plant them within circular paths. How could they do this?
This challenge extends the Plants investigation so now four or more children are involved.