
What's it worth?
There are lots of different methods to find out what the shapes are worth - how many can you find?
There are lots of different methods to find out what the shapes are worth - how many can you find?
Katie had a pack of 20 cards numbered from 1 to 20. She arranged the cards into 6 unequal piles where each pile added to the same total. What was the total and how could this be done?
Amy has a box containing domino pieces but she does not think it is a complete set. Which of her domino pieces are missing?
48 is called an abundant number because it is less than the sum of its factors (without itself). Can you find some more abundant numbers?
On a digital 24 hour clock, at certain times, all the digits are consecutive. How many times like this are there between midnight and 7 a.m.?
How many winning lines can you make in a three-dimensional version of noughts and crosses?
Identical squares of side one unit contain some circles shaded blue. In which of the four examples is the shaded area greatest?
There are six numbers written in five different scripts. Can you sort out which is which?
Many numbers can be expressed as the difference of two perfect squares. What do you notice about the numbers you CANNOT make?