Andrew decorated 20 biscuits to take to a party. He lined them up and put icing on every second biscuit and different decorations on other biscuits. How many biscuits weren't decorated?
Age 5 to 7 Challenge Level:
Experiment with the interactivity, or make your own version using
card (see instructions in the
Can you imagine what each thing looks like before you try to make
You might want to find a book, or look at a door handle, for
The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the
NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to
embed rich mathematical tasks into everyday classroom practice.