# Being resourceful

**88**NRICH Mathematical resources connected to

**Being resourceful**

problem

### Gabriel's Problem

Gabriel multiplied together some numbers and then erased them. Can you figure out where each number was?

problem

### Multiplication arithmagons

Can you find the values at the vertices when you know the values on the edges of these multiplication arithmagons?

problem

### Unequal Averages

Play around with sets of five numbers and see what you can discover about different types of average...

problem

### Wipeout

Can you do a little mathematical detective work to figure out which number has been wiped out?