School Fair Necklaces
How many possible symmetrical necklaces can you find? How do you know you've found them all?
How many possible symmetrical necklaces can you find? How do you know you've found them all?
This problem looks at how one example of your choice can show something about the general structure of multiplication.
Are these statements always true, sometimes true or never true?
Are these statements always true, sometimes true or never true?
You'll need to know your number properties to win a game of Statement Snap...
The large rectangle is divided into a series of smaller quadrilaterals and triangles. Can you untangle what fractional part is represented by each of the shapes?
What is the greatest number of counters you can place on the grid below without four of them lying at the corners of a square?
Think of a number, square it and subtract your starting number. Is the number you're left with odd or even? How do the images help to explain this?
Four of these clues are needed to find the chosen number on this grid and four are true but do nothing to help in finding the number. Can you sort out the clues and find the number?