Or search by topic
Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.
What happens when you add three numbers together? Will your answer be odd or even? How do you know?
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?
Can you predict when you'll be clapping and when you'll be clicking if you start this rhythm? How about when a friend begins a new rhythm at the same time?
In this game for two players, the idea is to take it in turns to choose 1, 3, 5 or 7. The winner is the first to make the total 37.
Can you put the numbers 1-5 in the V shape so that both 'arms' have the same total?
There are six numbers written in five different scripts. Can you sort out which is which?
Can you find all the ways to get 15 at the top of this triangle of numbers? Many opportunities to work in different ways.
Tom and Ben visited Numberland. Use the maps to work out the number of points each of their routes scores.
Amy has a box containing domino pieces but she does not think it is a complete set. Which of her domino pieces are missing?
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?
An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.
This task requires learners to explain and help others, asking and answering questions.
Take three consecutive numbers and add them together. What do you notice?
A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.