How to use the column method to perform a subtraction with decimal numbers. More able students add and subtract with negative decimals.
The start of the lesson is used to recap how to add with decimals. In the main, students practice subtraction with decimal numbers using number pyramids and solving currency problems. The plenary links decimal numbers with the perimeter of shapes.
Differentiated Learning Objectives
- All students should be able to use the place value table to find the difference between two decimals.
- Most students should be able to use the column method to calculate the difference between a decimal and integer
- Some students should be able to find the difference of negative decimals.