## Problems

##### Age 7 to 11 Challenge Level:

In this game you throw two dice and find their total, then move the appropriate counter to the right. Which counter reaches the purple box first? Is this what you would expect?

##### Age 7 to 11 Challenge Level:

Does a graph of the triangular numbers cross a graph of the six
times table? If so, where? Will a graph of the square numbers cross
the times table too?

##### Age 7 to 11 Challenge Level:

Tim's class collected data about all their pets. Can you put the
animal names under each column in the block graph using the
information?

##### Age 7 to 11 Challenge Level:

Ideas for practical ways of representing data such as Venn and
Carroll diagrams.

##### Age 7 to 11 Challenge Level:

Ten cards are put into five envelopes so that there are two cards in each envelope. The sum of the numbers inside it is written on each envelope. What numbers could be inside the envelopes?

##### Age 7 to 11 Challenge Level:

Anna and Becky put one purple cube and two yellow cubes into a bag
to play a game. Is the game fair? Explain your answer.

##### Age 7 to 11 Challenge Level:

How many different sets of numbers with at least four members can
you find in the numbers in this box?

## Featured Solution

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