Lesson

You may have already seen some patterns, try this one.

Write the next number in the pattern:

2,\,4,\,6,\,8,\,10,\,12,\,⬚

Worked Solution

Idea summary

Just like when you're counting, patterns can continue forever. You can always add or subtract the same amount to continue a pattern.

Let's look at how number machines can be used to continue patterns when you have the rule.

Look at the following number machine:

Complete this table of inputs and outputs:

Input | Output |
---|---|

6 | |

7 | |

8 |

Worked Solution

Idea summary

Number machines show the

**relationship**between the**input**(starting number) and**output**(answer).If you are given the output, you can find the input by

**reversing**the rule.