Lesson: One More and One Less: Numbers up to 100 Mathematics • 1st Grade

Start Practising

In this lesson, we will learn how to find one more or one less than any number up to 100 and investigate how the number of tens and the number of ones change.

Lesson Plan

Students will be able to

  • count one more,
  • count one less,
  • identify the number that comes after in the counting sequence,
  • identify the number that comes before in the counting sequence.

Lesson Playlist

  • Counting on in Ones from Any Given Number
    00:36
  • Counting on in Ones From Any Given Number
    00:39

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