### Consecutive Numbers

An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.

### Calendar Capers

Choose any three by three square of dates on a calendar page...

### Days and Dates

Investigate how you can work out what day of the week your birthday will be on next year, and the year after...

# Can You Make 100?

##### Stage: 3 Challenge Level:

How many ways can you find to put operation signs ($+$, $-$, $\times$, $\div$) between the digits make $100$?