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Andrew decorated 20 biscuits to take to a party. He lined them up and put icing on every second biscuit and different decorations on other biscuits. How many biscuits weren't decorated?
A hundred square has been printed on both sides of a piece of paper. What is on the back of 100? 58? 23? 19?
This activity is best done with a whole class or in a large group. Can you match the cards? What happens when you add pairs of the numbers together?
Mr Gilderdale is playing a game with his class. What rule might he have chosen? How would you test your idea?
How would you create the largest possible two-digit even number from the digit I've given you and one of your choice?
An activity centred around observations of dots and how we visualise number arrangement patterns.
Can you design a new shape for the twenty-eight squares and arrange the numbers in a logical way? What patterns do you notice?
Investigate the numbers that come up on a die as you roll it in the direction of north, south, east and west, without going over the path it's already made.
If I use 12 green tiles to represent my lawn, how many different ways could I arrange them? How many border tiles would I need each time?