Can you place these quantities in order from smallest to largest?
This activity challenges you to decide on the 'best' number to use in each statement. You may need to do some estimating, some calculating and some research.
Place four pebbles on the sand in the form of a square. Keep adding as few pebbles as necessary to double the area. How many extra pebbles are added each time?
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.
Can you draw a square in which the perimeter is numerically equal to the area?
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?
