Which Number is Greater? Which Number is Less? How do you Know?

This Which Number is Greater? Which Number is Less? How do you Know? activity & project also includes:

When comparing groups of objects, it's easy for children to identify which has more, but it's not so easy for them to explain their reasoning. This simple whole-group activity provides multiple opportunities for learners to compare numbers and share with their peers the approaches they use. When grouping the objects, consider using varying the arrangements to encourage the use of different strategies for comparing numbers. A fun and engaging activity that supports young mathematicians in developing their number sense and the ability to communicate their ideas with others.

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CCSS: Designed
Pros

  • Provides a clear procedure to following during the lesson
  • Includes examples of possible reasoning students will use when comparing numbers
Cons

  • Requires the teacher to provide sets of objects to compare during the lesson
Common Core