What are the next four numbers in these sequences?

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Presentation transcript:

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 33 29 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

If n + 3 = 9, what is n + 5? 11

If z + 5 = 14, what is z + 10? 19

If t - 6 = 8, what is 3t ? 42

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!