Use the information to describe these marbles. What colours must be
on marbles that sparkle when rolling but are dark inside?
This investigates one particular property of number by looking closely at an example of adding two odd numbers together.
This problem looks at how one example of your choice can show something about the general structure of multiplication.
Draw a big triangle on the playground with chalk. Pretend you are the ladybird.
Start near the middle of one side and go round the triangle.
How much do you turn?
Do you think this would be true for every triangle?