### Biscuit Decorations

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?

### Constant Counting

You can make a calculator count for you by any number you choose. You can count by ones to reach 24. You can count by twos to reach 24. What else can you count by to reach 24?

### Number Detective

Follow the clues to find the mystery number.

# Skip Counting

##### Age 5 to 7 Challenge Level:

You could help the pumpkin people get to Froggie by starting at $30$ and travelling to $3$, always skipping onto a square that is $3$ less than the square they have skipped from.