Greater-than Less-than (Grade 4)

The Greater-than Less-than Machine teaches the concept of greater than and less than with numbers to two decimal places.

For fourth graders.

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Time needed to build the machine and teach the lesson: 45 minutes

To build this machine in a class of 25 you will need these parts:

You will also need:

  • Scotch tape – we recommend one roll per five children
  • Scissors for each child

Illustrated, step-by-step assembly instructions & Lesson Plan (one page)   Click here