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

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# Obj: Generalising Relationships in Words to Formulas Using Letters and Symbols. - PowerPoint PPT Presentation

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.

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Presentation Transcript
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:

Formula:

4n

5, 9, 13, 17 …..

21

25

29

33

Rule:

Formula:

4n+1

6, 12, 18, 24…

30, 36, 42, 48

Formula: 6n

8, 14, 20, 26…

32, 38, 44, 50

Formula: 6n+2

9, 18, 27, 36…

45, 54, 63, 72

Formula: 9n

19, 28, 37, 46…

55, 64, 73, 82

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!