These two group activities use mathematical reasoning - one is
numerical, one geometric.
An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.
EWWNP means Exploring Wild and Wonderful Number Patterns Created by Yourself! Investigate what happens if we create number patterns using some simple rules.
Amy has a box containing ordinary domino pieces but she does not think it is a complete set.
She has $24$ dominoes in her box and there are $125$ spots on them altogether.
Which of her domino pieces are missing?