Can you match these calculations in Standard Index Form with their answers?
You are only given the three midpoints of the sides of a triangle. How can you construct the original triangle?
Two ladders are propped up against facing walls. At what height do the ladders cross?
Can you explain the surprising results Jo found when she calculated the difference between square numbers?
A circle of radius r touches two sides of a right angled triangle, sides x and y, and has its centre on the hypotenuse. Can you prove the formula linking x, y and r?
Can you find a general rule for finding the areas of equilateral triangles drawn on an isometric grid?
A mother wants to share some money by giving each child in turn a lump sum plus a fraction of the remainder. How can she do this to share the money out equally?
Many numbers can be expressed as the difference of two perfect squares. What do you notice about the numbers you CANNOT make?
Can you make sense of information about trees in order to maximise the profits of a forestry company?
What do you notice about these families of recurring decimals?
