This task is about using a rule to find numbers, and finding the rule from given numbers.
Three numbers go into each machine and come out changed by a rule. For example:
| a) | Use the rules below to find the three numbers coming out of each machine. Write the numbers that come out of each machine. | |
| i) |
 |
|
| ii) |
 |
|
| iii) |
 |
|
| b) | Work out the rule for each of the machines below and write it on the machine. | |
| i) |
 |
|
| ii) |
 |
|