Circles, circles
Here are some arrangements of circles. How many circles would I need to make the next size up for each? Can you create your own arrangement and investigate the number of circles it needs?
Here are some arrangements of circles. How many circles would I need to make the next size up for each? Can you create your own arrangement and investigate the number of circles it needs?
Are these statements relating to odd and even numbers always true, sometimes true or never true?
Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?
In this problem, we're investigating the number of steps we would climb up or down to get out of or into the swimming pool. How could you number the steps below the water?
Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.
"Ip dip sky blue! Who's 'it'? It's you!" Where would you position yourself so that you are 'it' if there are two players? Three players ...?
How would you create the largest possible two-digit even number from the digit I've given you and one of your choice?
In these addition games, you'll need to think strategically to get closest to the target.
Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?
This activity challenges you to decide on the 'best' number to use in each statement. You may need to do some estimating, some calculating and some research.