Number patterns

#### Question 5

The first term and the rule are given for each of the sequences. Find the second and third terms.

a |
Start with 3 (First term 3), multiply by 4 and subtract 5. | |

b |
Start with 4 (First term 4), multiply by 3 and subtract 7. | |

c |
Start with 10 (First term 10), multiply by 6 and subtract 10. | |

#### Question 6

Here are 3 diagrams made of matches.

Detailed description of diagram

a |
Write down a sequence of 6 numbers giving the number of matches in each of these diagrams and the next three in the obvious sequence. |

b |
Give the rule for finding the next term from the previous term. |

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