- Gr7NS - represent perfect squares and square roots, using a variety of tools
- Gr8NS - estimate, and verify using a calculator, the positive square roots of whole numbers, and distinguish between whole numbers that have whole-number square roots (i.e., perfect square numbers) and those that do not

- All that is needed is the electronic download (below)
- Note that this really works well on an iPad using the Sketchpad Explorer App (which is free)
- You can also use this on any web based computer (or Chromebook) with this Web sketch

Watch the video below to see how the sketch works

- SquareRootNumberlineGuesser.gsp (iPad/V5)
- Web sketch here
- For more sketches like this go to my full page

Did you use this activity? Do you have a way to make it better? If so tell us in the comment section. Thanks

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