Estimating and approximating
-
problemThe problem is how did Archimedes calculate the lengths of the sides of the polygons which needed him to be able to calculate square roots? -
-
problemBranching processes and extinction
An advanced mathematical exploration supporting our series of articles on population dynamics for advanced students. -
problemCan you do it too?
Try some throwing activities and see whether you can throw something as far as the Olympic hammer or discus throwers.
-
-
problemFruity pairs
Which two items of fruit could Kate and Sam choose? Can you order the prices from lowest to highest?
-
problemLittle man
The Man is much smaller than us. Can you use the picture of him next to a mug to estimate his height and how much tea he drinks?
-
problemToday's date - 01/06/2009
What do you notice about the date 03.06.09? Or 08.01.09? This challenge invites you to investigate some interesting dates yourself. -
problemDiscuss and choose
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.
-
problemBuying a balloon
Lolla bought a balloon at the circus. She gave the clown six coins to pay for it. What could Lolla have paid for the balloon?