Grouping Goodies
Pat counts her sweets in different groups and both times she has some left over. How many sweets could she have had?
Pat counts her sweets in different groups and both times she has some left over. How many sweets could she have had?
Jack's mum used the same candles on his and his sister Kate's birthday cakes. When was Kate born?
What do you notice about these squares of numbers? What is the same? What is different?
How many balls of modelling clay and how many straws does it take to make these skeleton shapes?
As you come down the ladders of the Tall Tower you collect useful spells. How many can you collect?
Choose four numbers to put in the squares so that the differences between joined squares are odd.
Annie and Ben are playing a game with a calculator. What was Annie's secret number?
Eight children each had a cube made from modelling clay. They cut them into four pieces which were all exactly the same shape and size. Whose pieces are the same? Can you decide who made each set?
If there are 3 squares in the ring, can you place three different numbers in them so that their differences are odd? Try with different numbers of squares around the ring. What do you notice?
This is a game for two players. Can you find out how to be the first to get to 12 o'clock?
In how many different ways can you break up a stick of seven interlocking cubes? Now try with a stick of eight cubes and a stick of six cubes. What do you notice?
This game involves addition and subtraction skills combined with some strategic thinking.
"Ip dip sky blue! Who's 'it'? It's you!" Where would you position yourself to be chosen?
Can you put these times on the clocks in order? You might like to arrange them in a circle.
What happens when you add three numbers together? Will your answer be odd or even?
Are these statements relating to odd and even numbers always, sometimes or never true?
Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?
A hundred square has been printed on both sides of a piece of paper. What is on the back of 100? 58? 23? 19?
Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?