How Different?

HD#1

<iframe scrolling="no" src="https://www.geogebra.org/material/iframe/id/PfXPKGaf/width/1192/height/579/smb/false/stb/false/stbh/false/ai/false/asb/false/sri/true/rc/false/ld/false/sdz/false/ctl/false" width="1192px" height="279px" style="border:0px;"> </iframe>

interactive – click and drag the triangles

  1. How are the triangles different?
  2. How different are they?

HD#2

  1. How are the dot stacks different?
  2. How different are they?

HD#3

  1. How are the coins different?
  2. How different are they?

HD#4

  1. How are the coins different?
  2. How different are they?

HD#5

  1. How are the coins different?
  2. How different are they?

HD#6

  1. How are the coins different?
  2. How different are they?

HD#7

<iframe scrolling="no" src="https://www.geogebra.org/material/iframe/id/artsVBMq/width/1192/height/679/smb/false/stb/false/stbh/false/ai/false/asb/false/sri/true/rc/false/ld/false/sdz/false/ctl/false" width="1192px" height="279px" style="border:0px;"> </iframe>

interactive – check the box for controls, press pause and move the slider for more control

  1. How are the dots different?
  2. How different are they?

HD#8

<iframe scrolling="no" src="https://www.geogebra.org/material/iframe/id/Y5VzHPnZ/width/1192/height/679/smb/false/stb/false/stbh/false/ai/false/asb/false/sri/true/rc/false/ld/false/sdz/false/ctl/false" width="1192px" height="279px" style="border:0px;"> </iframe>

interactive – check the box for controls, press pause and move the slider for more control

  1. How are the dots different?
  2. How different are they?