Compare the calculations
Can you put these four calculations into order of difficulty? How did you decide?
Can you put these four calculations into order of difficulty? How did you decide?
Ayah conjectures that the diagonals of a square meet at right angles. Do you agree? How could you find out?
Here is an interesting property about two sets of digits. Can you work out what the digits might be?
Can you find combinations of strips of paper which equal the length of the black strip? If the length of the black is 1, how could you write the sum of the strips?
What happens if you join every second point on this circle? How about every third point? Try with different steps and see if you can predict what will happen.
Cut differently-sized square corners from a square piece of paper to make boxes without lids. Do they all have the same volume?
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?
Mandeep's watch loses two minutes every hour. Adam's watch gains one minute every hour. Can you work out what time they arrived at the airport?
Find at least one way to put in some operation signs to make these digits come to 100.