Each clue in this Sudoku is the product of the two numbers in adjacent cells.
Investigate what happens to the equations of different lines when you reflect them in one of the axes. Try to predict what will happen. Explain your findings.
Investigate what happens to the equation of different lines when you translate them. Try to predict what will happen. Explain your findings.
Can all unit fractions be written as the sum of two unit fractions?
Can you arrange the numbers 1 to 17 in a row so that each adjacent pair adds up to a square number?
What happens to the area and volume of 2D and 3D shapes when you enlarge them?
Invent a scoring system for a 'guess the weight' competition.
Move your counters through this snake of cards and see how far you can go. Are you surprised by where you end up?
Engage in a little mathematical detective work to see if you can spot the fakes.
Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?
