The Tomato and the Bean
At the beginning of May, Tom put his tomato plant outside. On the same day he sowed a bean in another pot. When will the two be the same height?
At the beginning of May, Tom put his tomato plant outside. On the same day he sowed a bean in another pot. When will the two be the same height?
Roll two red dice and a green dice. Add the two numbers on the red dice and take away the number on the green. What are all the different possible answers?
Find the missing coordinates which will form these eight quadrilaterals. These coordinates themselves will then form a shape with rotational and line symmetry.
There are nasty versions of this dice game but we'll start with the nice ones...
On a digital clock showing 24 hour time, over a whole day, how many times does a 5 appear? Is it the same number for a 12 hour clock over a whole day?
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?
Put operations signs between the numbers 3, 4, 5 and 6 to make the highest possible number and lowest possible number.
Can you compare these bars with each other and express their lengths as fractions of the black bar?
Let's say you can only use two different lengths - 2 units and 4 units. Using just these 2 lengths as the edges how many different cuboids can you make?
Can you describe this route to infinity? Where will the arrows take you next?