One quarter of these coins are heads but when I turn over two coins, one third are heads. How many coins are there?
Mrs Morgan, the class's teacher, pinned numbers onto the backs of three children. Use the information to find out what the three numbers were.
These clocks have only one hand, but can you work out what time they are showing from the information?
What do the numbers shaded in blue on this hundred square have in common? What do you notice about the pink numbers? How about the shaded numbers in the other squares?
What does the overlap of these two shapes look like? Try picturing it in your head and then use some cut-out shapes to test your prediction.
What shape is the overlap when you slide one of these shapes half way across another? Can you picture it in your head? Use the interactivity to check your visualisation.
Nearly all of us have made table patterns on hundred squares, that is 10 by 10 grids. This problem looks at the patterns on differently sized square grids.
Each light in this interactivity turns on according to a rule. What happens when you enter different numbers? Can you work out the rule for each light?
There are lots of different methods to find out what the shapes are worth - how many can you find?
Use the interactivity to move Pat. Can you reproduce the graphs and tell their story?
