InterA.4Balls2Boxes History

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September 27, 2008, at 03:12 PM by LFS - Comment added
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September 10, 2008, at 08:47 AM by Dani - Comment added
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September 10, 2008, at 01:41 AM by LFS -
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Number the balls: Attach:4balls_number.jpg Δ

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Number the balls:

September 10, 2008, at 01:40 AM by LFS -
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[]  

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       Attach:mix4box_mixed.png Δ

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       Attach:mix4box_separate.png Δ

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April 30, 2008, at 06:59 AM by LFS -
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April 30, 2008, at 06:58 AM by LFS -
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April 26, 2008, at 09:48 AM by LFS -
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To use offline, download and unzip 4balls2boxes_v3.zip.

to:

To use offline, download and unzip 4balls2boxes_v3.zip.

Then, double-click on 4balls2boxes.html. How do I do all this?
April 24, 2008, at 11:10 PM by LFS -
Changed lines 24-25 from:

We have 4 balls - 2 Reds and 2 Greens. We drop them randomly into 2 boxes. Are the colors mixed or separate?

to:

We have 4 balls - 2 Reds and 2 Greens. We drop them randomly into 2 boxes.
Are the colors mixed or separate?

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April 24, 2008, at 11:06 PM by LFS -
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[c valign=middle]
[table border=1 cellpadding=3]
[row]
[c]Activity Notes
[row]
[]
We have 4 balls - 2 Reds and 2 Greens. We drop them randomly into 2 boxes. Are the colors mixed or separate?

to:
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We have 4 balls - 2 Reds and 2 Greens. We drop them randomly into 2 boxes. Are the colors mixed or separate?

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(a) Both boxes will have will have 1R&1G.

to:

(a) Both boxes will have will have 1R & 1G.

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[tableend]

April 24, 2008, at 10:49 PM by LFS -
April 24, 2008, at 10:48 PM by LFS -
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April 24, 2008, at 10:48 PM by LFS -
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To use offline, download and unzip 4balls2boxes_v3.zip.

Scratch file designed by Linda Fahlberg-Stojanovska.

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"Mutually exclusive" meaning both events cannot happen at same time and "complete" meaning no other event can occur.
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April 20, 2008, at 05:43 AM by LFS -
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We have 4 balls - 2 Reds and 2 Greens. We drop them randomly into 2 boxes. Are the colors % c11 bgr% or separate?

to:

We have 4 balls - 2 Reds and 2 Greens. We drop them randomly into 2 boxes. Are the colors mixed or separate?

April 20, 2008, at 05:12 AM by LFS -
April 20, 2008, at 04:14 AM by LFS -
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<applet id='ProjectApplet' style='display:block' code='ScratchApplet' codebase='http://mathcasts.org/mtwiki/uploads/Activity' archive='ScratchApplet.jar' height='387' width='482'><param name='project' value='4balls2boxes_v3.sb'></applet>

to:

<applet id='ProjectApplet' style='display:block' code='ScratchApplet' codebase='http://mathcasts.org/mtwiki/uploads/Activity' archive='ScratchApplet.jar' height='387' width='482'><param name='project' value='4balls_v3.sb'></applet>

April 20, 2008, at 04:13 AM by LFS -
April 20, 2008, at 04:12 AM by LFS -
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<applet id='ProjectApplet' style='display:block' code='ScratchApplet' codebase='http://mathcasts.org/mtwiki/uploads/Activity' archive='ScratchApplet.jar' height='387' width='482'><param name='project' value='4balls2boxes
_v3.sb'></applet>

to:

<applet id='ProjectApplet' style='display:block' code='ScratchApplet' codebase='http://mathcasts.org/mtwiki/uploads/Activity' archive='ScratchApplet.jar' height='387' width='482'><param name='project' value='4balls2boxes_v3.sb'></applet>

April 20, 2008, at 04:09 AM by LFS -
Changed lines 62-63 from:
  • To use offline, download and unzip 4 Ball-2 Box Drop.
  • Scratch file designed by Linda Fahlberg-Stojanovska.
to:
April 20, 2008, at 04:08 AM by LFS -
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<applet id='ProjectApplet' style='display:block' code='ScratchApplet' codebase='http://mathcasts.org/mtwiki/uploads/Activity' archive='ScratchApplet.jar' height='387' width='482'><param name='project' value='4balls_v3.sb'></applet>

to:

<applet id='ProjectApplet' style='display:block' code='ScratchApplet' codebase='http://mathcasts.org/mtwiki/uploads/Activity' archive='ScratchApplet.jar' height='387' width='482'><param name='project' value='4balls2boxes
_v3.sb'></applet>

April 20, 2008, at 04:06 AM by LFS -
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April 20, 2008, at 03:55 AM by LFS -
Changed line 28 from:

We have 4 balls - 2 Reds and 2 Greens. We drop them randomly into 2 boxes. Are the colors mixed or separate?

to:

We have 4 balls - 2 Reds and 2 Greens. We drop them randomly into 2 boxes. Are the colors % c11 bgr% or separate?

April 20, 2008, at 03:53 AM by LFS -
Deleted lines 1-3:
  • Online Activity: Mix and Drop 2 Red and 2 Green Balls into 2 Boxes
   How often will boxes have mixed colors? How often will they be separate?
Changed line 28 from:

We have 4 balls - 2 Reds and 2 Greens. We drop them randomly into 2 boxes.  

to:

We have 4 balls - 2 Reds and 2 Greens. We drop them randomly into 2 boxes. Are the colors mixed or separate?

Added lines 30-31:

Changed lines 61-62 from:
  • Download 4 Ball-2 Box Drop Scratch file designed by Linda Fahlberg-Stojanovska
  • To use offline, download and install freeware Scratch. See Scratch-MIT for more information.
to:
  • To use offline, download and unzip 4 Ball-2 Box Drop.
  • Scratch file designed by Linda Fahlberg-Stojanovska.
  • To change Scratch file, download and install freeware Scratch. See Scratch-MIT for more information.
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April 20, 2008, at 03:03 AM by LFS -
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  • How many times does mixed occur?
to:
  • How many times does mixed occur?
April 20, 2008, at 02:39 AM by LFS -
April 20, 2008, at 01:12 AM by LFS -
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[ valign=middle] to see the whole action ***

to:

[ valign=middle] below to see the whole action ***

April 20, 2008, at 01:07 AM by LFS -
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  • How many times should mixed occur?
to:
  • How many times does mixed occur?
April 20, 2008, at 01:00 AM by LFS -
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<applet id='ProjectApplet' style='display:block' code='ScratchApplet' codebase='http://mathcasts.org/mtwiki/uploads/Activity' archive='ScratchApplet.jar' height='387' width='482'><param name='project' value='4balls_v2.sb'></applet>

to:

<applet id='ProjectApplet' style='display:block' code='ScratchApplet' codebase='http://mathcasts.org/mtwiki/uploads/Activity' archive='ScratchApplet.jar' height='387' width='482'><param name='project' value='4balls_v3.sb'></applet>

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  • Download 4 Ball-2 Box Drop Scratch file designed by Linda Fahlberg-Stojanovska
to:
  • Download 4 Ball-2 Box Drop Scratch file designed by Linda Fahlberg-Stojanovska
April 20, 2008, at 12:59 AM by LFS -
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[table border=1 cellpadding=5]

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[table border=1 cellpadding=3]

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The following two events are mutually exclusive and complete.

to:

These two events are mutually exclusive and complete.

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Do the experiment 200-1000 times.

to:

Do the experiment 200-1000 times.

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  • How many of these times should the event mixed occur?
to:
  • How many times should mixed occur?
April 20, 2008, at 12:56 AM by LFS -
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   We call this event: SEPARATE colors.

to:

   We call this event: SEPARATE colors.

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Play this applet to find out the probability of these 2 events.
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  • What is the percentage of mixed?
  • What is the percentage of separate?
to:
  • What is the percent of mixed?
  • What is the percent of separate?
April 20, 2008, at 12:55 AM by LFS -
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   We call this event: MIXED colors.

to:

   We call this event: MIXED colors.

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   We call this event: SEPARATE colors.

to:

   We call this event: SEPARATE colors.

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Play this applet to find out the probability of each of these 2 events.
to:
Play this applet to find out the probability of these 2 events.
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Questions to think about:

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  • What appears to be the probability of mixed?
  • What appears to be the probability of separate?
to:
  • What is the percentage of mixed?
  • What is the percentage of separate?
April 20, 2008, at 12:54 AM by LFS -
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  • Online Activity: Mix and Drop 2 Red and 2 Green Balls into 2 Flat Boxes
to:
  • Online Activity: Mix and Drop 2 Red and 2 Green Balls into 2 Boxes
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We have 4 balls - 2 Reds and 2 Greens. We drop them randomly into 2 flat boxes.  

to:

We have 4 balls - 2 Reds and 2 Greens. We drop them randomly into 2 boxes.  

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Do the experiment several hundred times.

  • What appears to be the probability of the event mixed?
  • What appears to be the probability of the event separate?
to:

Do the experiment 200-1000 times.

  • What appears to be the probability of mixed?
  • What appears to be the probability of separate?
April 20, 2008, at 12:51 AM by LFS -
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Questions to think about:

  • Do the experiment several hundred times.
    • What appears to be the probability of the event mixed?
    • What appears to be the probability of the event separate?
  • Theoretically,
    • How many different ways can the balls drop into the boxes with mixed colors?
    • How many of these times should the event mixed occur?
    • Does your theory match your experiment?
to:

Questions to think about:

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to:

Do the experiment several hundred times.

  • What appears to be the probability of the event mixed?
  • What appears to be the probability of the event separate?
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Now for some dreaded theory ...
Number the balls: Attach:4balls_number.jpg Δ

  • How many different ways can the balls drop into the boxes?
  • How many of these times should the event mixed occur?
  • Does your theory match your experiment?

April 20, 2008, at 12:39 AM by LFS -
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[c]Applet Notes

to:

[c]Activity Notes

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We have 4 balls - 2 Reds and 2 Greens. We drop them randomly into 2 boxes.
*** Click on "Cat 1 Try" to see the idea. ***

The following two events are mutually exclusive and complete (see below).

to:

We have 4 balls - 2 Reds and 2 Greens. We drop them randomly into 2 flat boxes.  

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  (a) Both boxes will have will have 1R&1G.
  We call this event: MIXED colors.
       Attach:mix4box_mixed.png Δ

to:

The following two events are mutually exclusive and complete.

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  (b) One box 2G, other box 2R.
  We call this event: SEPARATE colors.
       Attach:mix4box_separate.png Δ

Play this applet to find out the probability of each of these 2 events.
to:

(a) Both boxes will have will have 1R&1G.
   We call this event: MIXED colors.
       Attach:mix4box_mixed.png Δ

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Then think about the mathematics of this.

to:

(b) One box 2G, other box 2R.
   We call this event: SEPARATE colors.
       Attach:mix4box_separate.png Δ

Play this applet to find out the probability of each of these 2 events.
Added lines 44-54:

Questions to think about:

  • Do the experiment several hundred times.
    • What appears to be the probability of the event mixed?
    • What appears to be the probability of the event separate?
  • Theoretically,
    • How many different ways can the balls drop into the boxes with mixed colors?
    • How many of these times should the event mixed occur?
    • Does your theory match your experiment?

April 20, 2008, at 12:28 AM by LFS -
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to:
Changed lines 3-4 from:
  • Online Activity: Mix and Drop 2 Red and 2 Green Balls into 2 Boxes
to:
  • Online Activity: Mix and Drop 2 Red and 2 Green Balls into 2 Flat Boxes
   How often will boxes have mixed colors? How often will they be separate?
Changed lines 6-7 from:
*** Click on "Cat 1 Try" to see the idea. ***
to:
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to:

[c]

[table border=0]

Changed lines 16-20 from:

[c]Applet Notes
[row]
[]
We have 4 balls - 2 Reds and 2 Greens. We drop them randomly into 2 boxes.
*** Click on "Cat 1 Try" to see the idea. ***

to:

[ valign=middle]*** Click on 
[]Attach:cat1try.jpg Δ
[ valign=middle] to see the whole action ***
[tableend]

Added lines 21-33:
April 16, 2008, at 11:29 AM by LFS -
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to:
April 16, 2008, at 11:23 AM by LFS -
Changed lines 4-5 from:
*** Click on "Cat 1 Try" to see the idea. ***
to:
*** Click on "Cat 1 Try" to see the idea. ***
April 16, 2008, at 11:21 AM by LFS -
Changed lines 4-5 from:
to:
*** Click on "Cat 1 Try" to see the idea. ***
Changed lines 18-19 from:

We have 4 balls - 2 Reds and 2 Greens. We drop them randomly into 2 boxes. Click on "Cat 1 Try" to see the idea.

to:

We have 4 balls - 2 Reds and 2 Greens. We drop them randomly into 2 boxes.
*** Click on "Cat 1 Try" to see the idea. ***

April 16, 2008, at 11:18 AM by LFS -
Changed lines 38-39 from:
  • 4 Ball - 2 Box Drop for Scratch-MIT designed by Linda Fahlberg-Stojanovska
to:
  • Download 4 Ball-2 Box Drop Scratch file designed by Linda Fahlberg-Stojanovska
  • To use offline, download and install freeware Scratch. See Scratch-MIT for more information.
Changed line 44 from:
  •  
to:
April 16, 2008, at 11:10 AM by LFS -
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[table border=1 cellpadding=5 width=98]

to:

[table border=1 cellpadding=5 width=100%]

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[c]

to:

[c valign=middle]

Changed lines 11-14 from:

[tableend]

 

  • 4 Ball - 2 Box Drop for Scratch-MIT designed by Linda Fahlberg-Stojanovska
to:

[c valign=middle]
[table border=1 cellpadding=5]
[row]
[c]Applet Notes
[row]
[]
We have 4 balls - 2 Reds and 2 Greens. We drop them randomly into 2 boxes. Click on "Cat 1 Try" to see the idea.

The following two events are mutually exclusive and complete (see below).

Changed lines 21-23 from:

to:


  (a) Both boxes will have will have 1R&1G.
  We call this event: MIXED colors.
       Attach:mix4box_mixed.png Δ

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Related Topics

  •  
to:


  (b) One box 2G, other box 2R.
  We call this event: SEPARATE colors.
       Attach:mix4box_separate.png Δ

Play this applet to find out the probability of each of these 2 events.
Changed line 30 from:

to:

Then think about the mathematics of this.

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to:
"Mutually exclusive" meaning both events cannot happen at same time and "complete" meaning no other event can occur.
Changed lines 35-52 from:
to:
April 15, 2008, at 03:42 PM by LFS -
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<applet id='ProjectApplet' style='display:block' code='ScratchApplet' codebase='http://mathcasts.org/mtwiki/uploads/Activity' archive='ScratchApplet.jar' height='387' width='482'><param name='project' value='4balls.sb'></applet>

to:

<applet id='ProjectApplet' style='display:block' code='ScratchApplet' codebase='http://mathcasts.org/mtwiki/uploads/Activity' archive='ScratchApplet.jar' height='387' width='482'><param name='project' value='4balls_v2.sb'></applet>

Changed lines 13-14 from:
  • 4 Ball - 2 Box Drop for Scratch-MIT designed by Linda Fahlberg-Stojanovska
to:
  • 4 Ball - 2 Box Drop for Scratch-MIT designed by Linda Fahlberg-Stojanovska
April 15, 2008, at 03:18 PM by LFS -
Added lines 1-40:


Page last modified on September 27, 2008, at 03:12 PM