List

Convince me! - Lower Primary Students

Here are some challenges that you can work on and then see if you can convince someone that your solutions are right! Have a go!

Even and odd
problem
Favourite

Even and odd

Age
5 to 7
Challenge level
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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?
I Like ...
problem
Favourite

I like ...

Age
5 to 7
Challenge level
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Mr Gilderdale is playing a game with his class. What rule might he have chosen? How would you test your idea?
Two numbers under the microscope
problem
Favourite

Two numbers under the microscope

Age
5 to 7
Challenge level
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This investigates one particular property of number by looking closely at an example of adding two odd numbers together.
Halving
problem
Favourite

Halving

Age
5 to 7
Challenge level
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These pictures show squares split into halves. Can you find other ways?

Ring a Ring of Numbers
problem
Favourite

Ring a ring of numbers

Age
5 to 7
Challenge level
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Choose four of the numbers from 1 to 9 to put in the squares so that the differences between joined squares are odd.
Numbers as Shapes
problem

Numbers as shapes

Age
5 to 7
Challenge level
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Use cubes to continue making the numbers from 7 to 20. Are they sticks, rectangles or squares?
A Bag of Marbles
problem

A bag of marbles

Age
5 to 7
Challenge level
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Use the information to describe these marbles. What colours must be on marbles that sparkle when rolling but are dark inside?
How Odd
problem
Favourite

How odd

Age
5 to 7
Challenge level
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This problem challenges you to find out how many odd numbers there are between pairs of numbers. Can you find a pair of numbers that has four odds between them?
In the Playground
problem
Favourite

In the playground

Age
5 to 11
Challenge level
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What can you say about the child who will be first on the playground tomorrow morning at breaktime in your school?
Lots of Lollies
problem
Favourite

Lots of lollies

Age
5 to 7
Challenge level
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Frances and Rishi were given a bag of lollies. They shared them out evenly and had one left over. How many lollies could there have been in the bag?

Odd times Even
problem
Favourite

Odd times even

Age
5 to 7
Challenge level
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This problem looks at how one example of your choice can show something about the general structure of multiplication.