Otis the otter beside eight scattered red connecting cubes and the number 8

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Otis Moves the Cubes: Same Number?

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Quick facts

CountingCardinalityKindergarten2 preview imagesAdded Oct 2026

About

Otis the otter moves a group of cubes around, and kindergartners decide whether the number changed. Children pick which arrangement of dots is easier to count, count cubes moved into rows and mixed up again, count on to find how many cubes are in a tower and how many more make 20, and add a roll to a group. Fully narrated, with a spoken hint after every wrong answer.

What's included

  • 10 narrated activities: easier-to-count dots, cubes moved into rows and mixed up again, a tower count, how many more to 20 and line to circle
  • Counting collections that can be counted again or answered straight away
  • A tower count that counts on toward 20
  • Spoken hints after every wrong answer

Learning objectives

  • Tell which arrangement of dots is easier to count.
  • Know that moving a group of cubes around doesn't change how many there are.
  • Count on to find how many cubes are in a tower, and how many more make 20.
  • Add the number of cubes a roll shows to a group, and stop.

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