problem
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Even and odd
This activity is best done with a whole class or in a large group. Can you match the cards? What happens when you add pairs of the numbers together?
problem
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Two numbers under the microscope
This investigates one particular property of number by looking closely at an example of adding two odd numbers together.
problem
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How would we count?
An activity centred around observations of dots and how we visualise number arrangement patterns.
problem
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That number square
Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?
problem
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Doing and undoing
An investigation looking at doing and undoing mathematical operations focusing on doubling, halving, adding and subtracting.
problem
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Two Spinners
What two-digit numbers can you make with these two dice? What can't you make?
problem
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Always, Sometimes or Never?
Are these statements relating to odd and even numbers always true, sometimes true or never true?
problem
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Birthday Sharing
It's Sahila's birthday and she is having a party. How could you answer these questions using a picture, with things, with numbers or symbols?
problem
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Digit Addition
Try out this number trick. What happens with different starting numbers? What do you notice?
problem
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How Many?
Have a look at these photos of different fruit. How many do you see? How did you count?
problem
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Subtraction Slip
Can you spot the mistake in this video? How would you work out the answer to this calculation?
game
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Snail One Hundred
In this game, you throw a dice and move counters along the snail's body and in a spiral around the snail's shell. It is about understanding tens and ones.
project
How Many?
This project challenges you to work out the number of cubes hidden under a cloth. What questions would you like to ask?
problem
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Catrina's Cards
How would you find out how many football cards Catrina has collected?
problem
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Make 37
Four bags contain a large number of 1s, 3s, 5s and 7s. Can you pick any ten numbers from the bags so that their total is 37?
problem
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Eggs in Baskets
There are three baskets, a brown one, a red one and a pink one, holding a total of 10 eggs. How many eggs are in each basket?
problem
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Odd times Even
This problem looks at how one example of your choice can show something about the general structure of multiplication.
problem
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Cubes Cut into Four Pieces
Eight children each had a cube made from modelling clay. They cut them into four pieces which were all exactly the same shape and size. Whose pieces are the same? Can you decide who made each set?