Lesson overview:Exploring the concept of doubles
- In this lesson, we will learn how to double with concrete objects and pictures. Then we will use a part-whole model to show doubling.
- In this lesson, we will learn how to double with concrete objects and pictures. Then we will use a part-whole model to show doubling.
Addition and subtraction within 20:
- Combining 2 quantities to find the totals
- Exploring addition by adding on
- Exploring subtraction as partitioning
- Exploring subtraction as takeaway
- Comparing 2 sets of objects using 'more' or 'fewer'
- Investigating quantities using more or fewer
- Exploring the concept of doubles
- Finding half of numbers to 20
- Estimating and counting
- Reviewing addition and subtraction