7/24/2019 Math Chapter 2.1 Form 1 by kelvin

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Mathematics – Form 1

Chapter 2.1

By Kelvin

7/24/2019 Math Chapter 2.1 Form 1 by kelvin

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Number Patterns andSeuences

Pattern o! a Number Seuence

1. " seuence in a list numbers

!ollo$in% a certain pattern.2. 2. &ach number is called a term o!

the seuence.

 

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For e'ample()

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*or+ed &'ample

,escribe the pattern o! each o! the!ollo$in% seuences

-a 2/0 20 10 120 30..

-b 10 40 50 260 310...

-c 0 10 10 20 40 70 30..

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Solution

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Completin% a Seuence

 8o complete a seuence0 9rst identi!ythe number pattern.

*or+ed e'ample

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Solution

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Constructin% a Seuence

" seuence can be !ormed i! the pattern is%iven.

*or+ed &'ample

Construct a 9ve ) number seuence !or each o!the !ollo$in%.

-aStartin% $ith 60 add to the number be!ore it.

-b Startin% $ith 20 multiply the number be!ore it

by /.-c Startin% $ith 270 divide the number be!ore

it by 7.

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Solution

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  8:"NKS F;< S&& 8:=S

C:"P8&<>.

  8:=S 8:& ?"S8 ;F 8:&C:"P8&< 2.1>.

  N&@8 C:"P8&< =S C;M=NAS;;N "8

25221>..