Investigate which numbers make these lights come on. What is the smallest number you can find that lights up all the lights?
Use the information about Sally and her brother to find out how many children there are in the Brown family.
Here are shadows of some 3D shapes. What shapes could have made them?
Frances and Rishi were given a bag of lollies. They shared them out evenly and had one left over. How many lollies could there have been in the bag?
Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.
Try out this number trick. What happens with different starting numbers? What do you notice?
Four bags contain a large number of 1s, 3s, 5s and 7s. Can you pick any ten numbers from the bags so that their total is 37?
