S2G4 Math: Ch.6 Is your left hand longer than your right hand? by 張振東Cheung Chun Tung https://padlet.com/cct2/744omo5phk1o Measure the length of your left hand and right hand. en-us 2019-01-28 00:39:40 UTC 2023-01-20 02:18:34 UTC hello@padlet.com https://padletuploads.blob.core.windows.net/prod/80264060/cdf38ae2d21ee13c036196e76c1eb262/Backback.png Measure the length of your hand cct2 https://padlet.com/cct2/744omo5phk1o/wish/324758106
  • What is the range of the length and left and right hands? 
  • What is the range of the span of your left and right hands?
  • Which hand is bigger?
  • Find the perce
  • Upload the photo of hand with the measure by ruler.
  • Which hand is bigger? 
  • Online Ruler(Click Here)

    • ]]>     2019-01-28 01:35:46 UTC https://padlet.com/cct2/744omo5phk1o/wish/324758106     Measure span of your hand cct2 https://padlet.com/cct2/744omo5phk1o/wish/324759048 2019-01-28 01:43:55 UTC https://padlet.com/cct2/744omo5phk1o/wish/324759048 Measure length of your hand cct2 https://padlet.com/cct2/744omo5phk1o/wish/324759203 2019-01-28 01:45:01 UTC https://padlet.com/cct2/744omo5phk1o/wish/324759203 Alyssa s1404003 https://padlet.com/cct2/744omo5phk1o/wish/324781811 17.5 cm on my left hand]]> 2019-01-28 04:41:31 UTC https://padlet.com/cct2/744omo5phk1o/wish/324781811 16.5cm (left) s1101038 https://padlet.com/cct2/744omo5phk1o/wish/324781891 Mr Cheung hi ]]> 2019-01-28 04:42:12 UTC https://padlet.com/cct2/744omo5phk1o/wish/324781891 Naatalie s1101036 https://padlet.com/cct2/744omo5phk1o/wish/324781899 Left hand: 20 cm span
    Right hand: 20.4 cm span
    Left hand: 17.5 cm length
    Right hand: 17.5 cm length 
    Relative error: 0.1cm x 1/2 =0.05 cm
    Left hand span range: 19.95cm - 20.05cm]]>     2019-01-28 04:42:14 UTC https://padlet.com/cct2/744omo5phk1o/wish/324781899     Emily s1101041 https://padlet.com/cct2/744omo5phk1o/wish/324781923 1. Left hand length: 17.5 cm 
    Right hand length: 17 cm

    2. Left hand span: 20 cm
    Right hand span: 20cm

    3. Scale interval: 0.1cm
    Maximum absolute error: 0.1x0.5 =0.05

    4. Lower range of left hand length: 17.45
    Upper range of left length: 17.55
    Relative error: 0.05/17.5=0.00285(cor. to 3 sig. fig.)
    Percentage error: 0.00285x100%= 0.285%


    ]]>     2019-01-28 04:42:36 UTC https://padlet.com/cct2/744omo5phk1o/wish/324781923     Cherry To uwu https://padlet.com/cct2/744omo5phk1o/wish/324781934 1. left: 16.7cm
    right: 17cm

    2. left: 16.8
    right:     18.5cm

    3. Right

    Maximum Absolute Error: 1/2 x 0.1 = 0.05 cm
    Range for left hand length: 16.65 - 16.75cm
    Range for right hand length: 16.95 - 17.05cm
    Range for left hand span:      16.75 - 16.85cm
    Range for right hand span:

    ]]>     2019-01-28 04:42:44 UTC https://padlet.com/cct2/744omo5phk1o/wish/324781934     Mitchell s1101023 https://padlet.com/cct2/744omo5phk1o/wish/324781940 17.4 cm left hand span
    17.3 cm right hand span
    17.3 cm length of left hand
    17.2 cm length of right hand

    Scale interval: 1 mm
    Left hand:
    Max absolute error: 0.5 mm
    Upper limit: 1.5 mm
    Lower limit: 0.5 mm
    Range is between 1.5 mm and 0.5 mm

    Estimation: 17 cm
    Relative error: 0.4/17.4 = 0.023 2 sig fig
    % error: 0.023 x 100% = 2.3%

    ]]>     2019-01-28 04:42:49 UTC https://padlet.com/cct2/744omo5phk1o/wish/324781940     https://padlet.com/cct2/744omo5phk1o/wish/324781969 Sup mine is 17cm]]> 2019-01-28 04:43:07 UTC https://padlet.com/cct2/744omo5phk1o/wish/324781969 Alex https://padlet.com/cct2/744omo5phk1o/wish/324781977 Span = 22 cm(right),20 cm (left)
    Length= 20 cm(right), 21 cm (left)]]>     2019-01-28 04:43:10 UTC https://padlet.com/cct2/744omo5phk1o/wish/324781977     Michelle s1101047 https://padlet.com/cct2/744omo5phk1o/wish/324781990 Length of left hand: 18.5cm
    Range=18cm<actual length<19cm

    Length of right hand: 17.2cm
    Range
    Span of left hand: 22cm
    Span of right hand: 21cm]]>     2019-01-28 04:43:18 UTC https://padlet.com/cct2/744omo5phk1o/wish/324781990     Dora https://padlet.com/cct2/744omo5phk1o/wish/324782040 Left hand length: 15.2 cm
    Right hand length: 15.3 cm
    Span of left hand: 19 cm
    Span of right hand: 19.5 cm]]>     2019-01-28 04:43:49 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782040     Yoyo https://padlet.com/cct2/744omo5phk1o/wish/324782072
    Left hand length: 14.9 cm
    Right hand length: 15 cm
    Span of left hand: 18.5 cm
    Span of right hand: 18.7 cm

    ]]>     2019-01-28 04:44:14 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782072     Vianna https://padlet.com/cct2/744omo5phk1o/wish/324782083 Left hand length: 18.5
    Right hand length:18.7



    Left hand span : 20 cm
    Right hand span : 20cm]]>     2019-01-28 04:44:21 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782083     Winnie https://padlet.com/cct2/744omo5phk1o/wish/324782090 Left hand length:17cm
    Right hand length:17cm
    Left hand span:19cm
    Right hand span:18.5cm
    Absolute error:1/2 X 0.1
                             =0.05]]>     2019-01-28 04:44:25 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782090     elysse https://padlet.com/cct2/744omo5phk1o/wish/324782099 Left hand span: 21cm   
    Upper Limit: 21.5cm
    Lower Limit: 20.5cm
    range: 20.5cm<_Actual <21.5cm
    Maximum Absolute Error:
    1 / 2
    = 0.5 cm
    Percentage Error:
    0.5/21 * 100%
    = 2.38% (corrected to 3 sig. fig.)
    Right hand span: 21cm   
    Upper Limit: 21.5cm
    Lower Limit: 20.5cm
    range: 20.5cm<_Actual <21.5cm
    Maximum Absolute Error:
    1 / 2
    = 0.5 cm
    Percentage Error:
    0.5/21 * 100%
    = 2.38% (corrected to 3 sig. fig.)
    Left hand length: 17cm   
    Upper Limit: 17.5cm
    Lower Limit: 16.5cm
    range: 16.5cm<_Actual < 17.5cm
    Maximum Absolute Error:
    1 / 2
    = 0.5 cm
    Percentage Error:
    0.5/17 * 100%
    = 2.94% (corrected to 3 sig. fig.)
    Right hand length: 18cm 
    Upper Limit: 18.5cm
    Lower Limit: 17.5cm
    range: 17.5cm<_Actual <18.5cm
    Maximum Absolute Error:
    1 / 2
    = 0.5 cm
    Percentage Error:
    0.5/18 * 100%
    = 2.78% (corrected to 3 sig. fig.)

    ]]>     2019-01-28 04:44:32 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782099     Ramona s1101055 https://padlet.com/cct2/744omo5phk1o/wish/324782105 Left hand length: 18.4
    Right hand length: 18.6
    Left hand span : 19.6
    Right hand span : 19.8
    Percentage error of left hand span:
    0.5/19.6 x 100%
    2.551%]]>     2019-01-28 04:44:37 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782105     Hi s1101046 https://padlet.com/cct2/744omo5phk1o/wish/324782118 Length of hand]]> 2019-01-28 04:44:42 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782118 16cm(right) s1101038 https://padlet.com/cct2/744omo5phk1o/wish/324782143 💓🚾]]> 2019-01-28 04:44:59 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782143 Silnwedw s1101066 https://padlet.com/cct2/744omo5phk1o/wish/324782148 Left: 17.5cm
    Right: 17cm]]>     2019-01-28 04:45:02 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782148     Penelope PenelopeChoi https://padlet.com/cct2/744omo5phk1o/wish/324782186

    ]]>     2019-01-28 04:45:20 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782186     mat https://padlet.com/cct2/744omo5phk1o/wish/324782247 Right Hand
         Length: 19.4mm
         Span:  19.2mm
    Left hand: 
         Length: 19.2mm
    Span: 19.2mm]]>     2019-01-28 04:46:05 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782247     19cm(left) s1101038 https://padlet.com/cct2/744omo5phk1o/wish/324782259 Mr Cheung!!!]]> 2019-01-28 04:46:12 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782259 sam s1711029 https://padlet.com/cct2/744omo5phk1o/wish/324782262 Right and left hand length: 18cm
    Span: 21cm]]>     2019-01-28 04:46:13 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782262     Diana s1101058 https://padlet.com/cct2/744omo5phk1o/wish/324782324 Left hand: 16.8 cm
    Right hand: 16.5]]>     2019-01-28 04:46:54 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782324     Howdy https://padlet.com/cct2/744omo5phk1o/wish/324782349 2019-01-28 04:47:11 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782349 Summer https://padlet.com/cct2/744omo5phk1o/wish/324782385 Left hand:
    17 length
    18 width
    Right hand:
    16.2 length
    16.8 width

    ]]>     2019-01-28 04:47:32 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782385     18.5cm(right hand) s1101038 https://padlet.com/cct2/744omo5phk1o/wish/324782432 Ms Cheung!!!]]> 2019-01-28 04:48:14 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782432 TEO LOOK OUT https://padlet.com/cct2/744omo5phk1o/wish/324782451 MR CHEUNG WANTS TO KILL YOU

    ]]>     2019-01-28 04:48:29 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782451     s1101046 https://padlet.com/cct2/744omo5phk1o/wish/324782537 Left hand: 15.7cm
    Right hand: 15.55cm
    Left hand span: 16.1cm
    Right hand span: 16cm

    ]]>     2019-01-28 04:49:13 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782537     TEO HES BEHIND YOU https://padlet.com/cct2/744omo5phk1o/wish/324782539 2019-01-28 04:49:15 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782539 TEO https://padlet.com/cct2/744omo5phk1o/wish/324782559 2019-01-28 04:49:28 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782559 Teo u at competition? https://padlet.com/cct2/744omo5phk1o/wish/324782584 2019-01-28 04:49:43 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782584 AHHHHHHHH https://padlet.com/cct2/744omo5phk1o/wish/324782589 2019-01-28 04:49:45 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782589 DONT COME TO SCHOOL TOMORROW https://padlet.com/cct2/744omo5phk1o/wish/324782609 2019-01-28 04:50:04 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782609 Harmoniiii🚾 s1101038 https://padlet.com/cct2/744omo5phk1o/wish/324782614 Range of length left hand:16.45-16.55cm
    Range of length right hand:15.95-16.05
    Range of span left hand:18.95-19.05
    Range of span right hand:18.45-18.55
    Left hand biggerrr
    Percentage error of length left hand:
    (0.1x0.5)/16.5x100%
    =0.303%
    Percentage error of length right hand:
    (0.1x0.5)/16x100%
    =0.313%]]>     2019-01-28 04:50:06 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782614     TEO STOP DOING MATHS https://padlet.com/cct2/744omo5phk1o/wish/324782632 2019-01-28 04:50:18 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782632 Cherry Chow https://padlet.com/cct2/744omo5phk1o/wish/324782770 Lower limit of the actual length of left hand: 21.35 cm
    Upper limit of the actual length of left hand: 21.45 cm
    The actual length of the left hand is between 21.35 cm and 21.45 cm.
    The relative error is 1/428
    The percentage error is 0.234% (cor. to 3 sig. figs.)
    Lower limit of the actual length of right hand: 20.75 cm 
    Upper limit of the actual length of right hand: 20.85 cm
    The actual length of the right hand is between 20.75 cm and 20.85 cm.
    The relative error is 1/416
    The percentage error is 0.240% (cor. to 3 sig. figs.) ]]>     2019-01-28 04:51:20 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782770     Length and span of hand uwuwuwuwuwuwu https://padlet.com/cct2/744omo5phk1o/wish/324782781 Right hand
    Span: 19
    Length: 16.5

    Left hand 
    Span: 19.5
    Length: 16.5 

    Left 

    1/2x1mm
    =0.5mm

    ]]>     2019-01-28 04:51:26 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782781     shhumiiii_ https://padlet.com/cct2/744omo5phk1o/wish/324782818 Left: 17.5cm
    Right: 17-17.3cm
    Spam: 17-17.2cm
    ]]>     2019-01-28 04:51:45 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782818     Vanshika https://padlet.com/cct2/744omo5phk1o/wish/324782820 Left: 17cm
    Right:17cm
    Same.]]>     2019-01-28 04:51:45 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782820     Sarveen s1711034 https://padlet.com/cct2/744omo5phk1o/wish/324782842 Left : 17 
    Right 17.5 

    ]]>     2019-01-28 04:51:57 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782842     Alex https://padlet.com/cct2/744omo5phk1o/wish/324782906 Charming man ]]> 2019-01-28 04:52:37 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782906 dm https://padlet.com/cct2/744omo5phk1o/wish/324782966 Left hand 16.5
    Right hand same 

    Left hand span 19
    Right hand same 

    ]]>     2019-01-28 04:53:30 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782966     Penelope https://padlet.com/cct2/744omo5phk1o/wish/324782996 Left hand length : 16.5 ( 16 cm to 17cm )
    Percentage error : 0.5/16.5*100  = 3.03% ( cor. to 3 sig. fig. )

    Right hand length : 17 cm ( 16.5 cm to 17.5 cm )
    Percentage error : 0.5/17*100 = 2.94% ( cor. to 3 sig. fig. )

    Left hand span : 17.5 cm ( 17 cm to 18 cm )
    Percentage error : 0.5/17.5*100 = 2.86% ( cor. to 3 sig. fig. )

    Right hand span : 18 cm ( 17.5 cm to 18.5 cm )
    Percentage error : 0.5/18*100 = 2.78% ( cor. to 3 sig. fig. )

    My right hand is bigger.]]>     2019-01-28 04:53:49 UTC https://padlet.com/cct2/744omo5phk1o/wish/324782996     s1101051 https://padlet.com/cct2/744omo5phk1o/wish/324783429 Chloe
    Right hand length: 18.5 cm
    Left hand length: 18.5 cm
    Right hand span: 21 cm
    Left hand span: 20.5 cm
     Range of right hand length:
    Lower limit:
    =18.5-1x1/2
    =18 cm
    Upper limit:
    =  18.5+1x1/2
    =19 cm
    18cm<=actual length of right hand<=19 cm
    Relative error:
    0.5/18.5
    =1/37
    Percentage error:
    =2.7%

    ]]>     2019-01-28 04:57:57 UTC https://padlet.com/cct2/744omo5phk1o/wish/324783429