Think of a number and follow the machine's instructions... I know what your number is! Can you explain how I know?
When number pyramids have a sequence on the bottom layer, some interesting patterns emerge...
Choose four consecutive whole numbers. Multiply the first and last numbers together. Multiply the middle pair together. What do you notice?
Can you fill in the empty boxes in the grid with the right shape and colour?
My two digit number is special because adding the sum of its digits to the product of its digits gives me my original number. What could my number be?
An equilateral triangle rotates around regular polygons and produces an outline like a flower. What are the perimeters of the different flowers?
There are lots of ideas to explore in these sequences of ordered fractions.
How many more miles must the car travel before the numbers on the milometer and the trip meter contain the same digits in the same order?
Use the information about Sally and her brother to find out how many children there are in the Brown family.
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?
