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## Obj: Generalizing Relationships in Words to Formulas Using Letters and Symbols.

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**Obj: Generalising Relationships in Words to Formulas Using**Letters and Symbols.**What are the next four numbers in these sequences?**4, 8, 12, 16 ….. 20 24 28 32 5, 9, 13, 17 ….. 21 25 29 33**4, 8, 12, 16,**20, 24, 28, 32 Rule: add 4 each time Formula: 4n**5, 9, 13, 17 …..**21 25 29 33 Rule: add 4 each time Formula: 4n+1**6, 12, 18, 24…**30, 36, 42, 48 Rule: add 6 Formula: 6n 8, 14, 20, 26… 32, 38, 44, 50 Rule: add 6 Formula: 6n+2**9, 18, 27, 36…**45, 54, 63, 72 Rule: add 9 Formula: 9n 19, 28, 37, 46… 55, 64, 73, 82 Rule: add 9 Formula: 9n+10**n + 6 = 8**What number is n representing? 2**Obj: Generalising Relationships in Words to Formulas Using**Letters and Symbols. Triangles – Orange Bk 3 pg 114 Pentagons – Bk3 pg 114, P Hexagons – Bk3 pg 115, R Octagons – Bk 3 pg 115, C Decagons – work with me!