Think of two whole numbers under 10, and follow the steps. I can work out both your numbers very quickly. How?
Anna, Ben and Charlie have been estimating 30 seconds. Who is the best?
Can you work out the number of chairs at a cafe from the number of legs?
The squares of this grid contain one of the letters P, Q, R and S. Can you complete this square so that touching squares do not contain the same letter? How many possibilities are there?
A 1×2×3 block is placed on an 8×8 board and rolled several times.... How many squares has it occupied altogether?
A card with the letter N on it is rotated through two different axes. What does the card look like at the end?
Weekly Problem 19 - 2014
The diagram shows a rhombus and an isosceles triangle. Can you work out the size of the angle JFI?
