Lesson overview: Finding one less than a given numberView in classroom
In this lesson children will use a number grid and objects to find one less than a given number within 20.
10 lessons in Numbers within 20:
- Counting objects up to 20
- Ordering numbers up to 20
- Developing a sense of 10
- Exploring place value
- Finding one more than a number to 20
- Finding one less than a given number
- Exploring one more and one less
- Investigating number combinations within 20
- Review lesson: A maths meeting!
- Patterns and ordinal numbers