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- Ö
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- @seeAlso 2number sequences
- @seeAlso 2number pattern - triangular number pattern
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- @animate FibRaiseRArm,FibWaveRArm,FibWaveRArm,FibWaveRArm,FibLowerRArm,FibRaiseLArm
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- @PlaySoundFile \a1010201.wav
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- @atGraphic 5,5
- @Picture algebra\a010102.bmp
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- @At 0,5
- #<square number pattern#
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- @definition
- @at 60,23
- A square number pattern is a special
- @At 10,
- number sequence where each term forms a
- square if drawn out as a series of dots.
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- @prompt
- @At 10,65
- @keyPoint 9999,introduction
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- @animate FibLowerLArm
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- @PlaySoundFile \a1010202.wav
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- In a square number pattern beginning at 1 each
- term is equal to the square of the term number.
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- @Wait 0.5
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- @animate FibRaiseRArm,FibWaveRArm,FibWaveRArm,FibLowerRArm
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- @at ,+3
- 1st term 2nd term 3rd term 4th term 5th term
- 1, 4, 9, 16, 25
- @Wait 0.5
- @atGraphic 25,125
- @Picture algebra\a010102b.bmp
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- '#b . . . . . . . . . . . . . . . #
- '#b . . . . . . . . . . . . . . #
- '#b . . . . . . . . . . . . #
- '#b . . . . . . . . . #
- '#b . . . . . #
- @Wait 0.5
- @at 10,170
- If we draw out the numbers in the sequence
- you can see that each forms a square.
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- @Wait 0.5
- @at ,+2
- This is the reason the sequence is called
- a #Bsquare number pattern#.
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- @prompt
- @keyPoint 9999,finding the rule
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- @animate FibRaiseRArm,FibWaveRArm,FibWaveRArm,FibLowerRArm
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- 1st term 2nd term 3rd term 4th term 5th term
- 1, 4, 9, 16, 25
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- @Wait 0.5
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- @PlaySoundFile \a1010203.wav
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- @at ,+8
- This could be written as:
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- @Wait 3
- @at ,+4
- 1 ê , 2 ê , 3 ê , 4 ê ,5 ê
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- @Wait 0.5
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- @at ,+8
- For a square number sequence starting at 1
- we can write a general expression for a
- square number pattern of #in#ê, where #in# is
- the term number.
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- @Wait 0.5
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- @animate FibRaiseLArm
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- @at ,+8
- This means that we can easily find the value
- of a high term number
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- @prompt
- @keyPoint 9999,summary
- #bSummary#
- @Wait 0.75
- @At ,+10
- * #^A square number pattern is one where
- #Teach number in the sequence forms a
- #Tperfect square
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- @at ,+10
- @wait 0.75
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- *#tThe sequence can be written as 1ê, 2ê,
- #T3ê,4ê, 5ê or generally as #in#ê where #in# is
- #Tthe term number.
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- in#ê where #in# is
- #Tthe term number.
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