Sorting the Numbers
Complete these two jigsaws then put one on top of the other. What happens when you add the 'touching' numbers? What happens when you change the position of the jigsaws?
Complete these two jigsaws then put one on top of the other. What happens when you add the 'touching' numbers? What happens when you change the position of the jigsaws?
Max and Bryony both have a box of sweets. What do you know about the number of sweets they each have?
Each child in Class 3 took four numbers out of the bag. Who had made the highest even number?
Can you put the numbers from 1 to 15 on the circles so that no consecutive numbers lie anywhere along a continuous straight line?
Can you each work out the number on your card? What do you notice? How could you sort the cards?
Can you rank these quantities in order? You may need to find out extra information or perform some experiments to justify your rankings.
Dicey Operations for an adult and child. Can you get close to 1000 than your partner?
Without doing lots of calculations, can you decide which of these number sentences are true? How do you know?