Place the numbers from 1 to 9 in the squares below so that the difference between joined squares is odd. How many different ways can you do this?
In Sam and Jill's garden there are two sorts of ladybirds with 7 spots or 4 spots. What numbers of total spots can you make?
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?
Observe symmetries and engage the power of substitution to solve complicated equations.
Can you find examples of magic crosses? Can you find all the possibilities?
Exploring the structure of a number square: how quickly can you put the number tiles in the right place on the grid?
In this task, children will make shapes out of loops of string and discuss what they notice about their shapes.
In this task, children will practise using a variety of timers to work out how many items they can put into a jar before the time finishes.
