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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? Letters and Symbols.

4, 8, 12, 16 …..

20

24

28

32

5, 9, 13, 17 …..

21

25

29

33

4, 8, 12, 16, Letters and Symbols.

20,

24,

28,

32

Rule:

Formula:

4n

5, 9, 13, 17 ….. Letters and Symbols.

21

25

29

33

Rule:

Formula:

4n+1

6, 12, 18, 24… Letters and Symbols.

30, 36, 42, 48

Formula: 6n

8, 14, 20, 26…

32, 38, 44, 50

Formula: 6n+2

9, 18, 27, 36… Letters and Symbols.

45, 54, 63, 72

Formula: 9n

19, 28, 37, 46…

55, 64, 73, 82

Formula: 9n+10

n + 6 = 8 Letters and Symbols.

What number is n representing?

2

If n + 3 = 9, what is n + 5? Letters and Symbols.

11

If z + 5 = 14, what is z + 10? Letters and Symbols.

19

If t - 6 = 8, what is 3t ? Letters and Symbols.

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!