List

Being curious - Upper Primary number

Cows and Sheep
problem

Cows and sheep

Age
7 to 11
Challenge level
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Use your logical reasoning to work out how many cows and how many sheep there are in each field.
Coded hundred square
problem

Coded hundred square

Age
7 to 11
Challenge level
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This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?
Nice or Nasty
problem

Nice or nasty

Age
7 to 11
Challenge level
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There are nasty versions of this dice game but we'll start with the nice ones...

Dicey Operations
game
Favourite

Dicey operations

Age
7 to 14
Challenge level
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In these addition and subtraction games, you'll need to think strategically to get closest to the target.

Sealed Solution
problem

Sealed solution

Age
7 to 11
Challenge level
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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?
Three neighbours
problem

Three neighbours

Age
7 to 14
Challenge level
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Take three consecutive numbers and add them together. What do you notice?