Or search by topic
Are the following statements about number always true, sometimes true or never true?
How do you know?
Can you find examples or counter-examples for each one?
For the 'sometimes' cards can you explain when they are true? Or rewrite them so that they are always true or never true?
When you add two numbers you
|
If you add 10 and take away 1,
|
When you add 10 to a number,
|
When you subtract one number from another number you can change the order and the answer will be the same |
What about these statements about shapes?
If you put two squares together
|
3D shapes have more than
|
When you cut a square in half
|
Four sided shapes are called squares |
Three sided shapes are called triangles
|
|
You could cut out each set of statement cards and arrange them in this grid.
Alternatively, you could use these interactivities to organise your thinking:
Andrew decorated 20 biscuits to take to a party. He lined them up and put icing on every second biscuit and different decorations on other biscuits. How many biscuits weren't decorated?