1G18 – What is a Number Line?

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Class Summary

The students will be able to start with any number and compare other numbers to it, then decide if they are greater or least using a number line.

Lesson Slide

1G18 – What is a Number Line?

Main Teaching Points

  • Show: Number line
  • Ask:Which number is the least?Which number is the greatest?Which one is in between? 
  • Help: Students to understand numbers are greater as they count higher.
  • Talk about what it means to compare.
  • What does it mean to be greater?
  • Talk about how to compare numbers.

In-Class Activities

  • Sticky Number Line: Use sticky notes to make a number line on a wall or table. Write numbers on sticky notes and ask kids to place them in order on the number line.  Talk about greater and least numbers.
  • Go Vertical: Make a vertical number line on a wall. Explain that “up” is “greater,” and “down” is least.