# Lesson overview:Subtracting decimals

- In this lesson, we will use the formal written method to subtract decimal numbers and correct mistakes made with this method.

- In this lesson, we will use the formal written method to subtract decimal numbers and correct mistakes made with this method.

In this lesson, we will use the formal written method to subtract decimal numbers and correct mistakes made with this method.

## Calculating with whole numbers and decimals:

- Representing Decimals
- Multiplying and dividing decimals by 10,100,1000
- Deriving decimal addition and subtraction facts
- Adding decimals
- Subtracting decimals
- Applying mental calculation strategies to adding and subtracting decimals
- Solving problems with decimals using addition and subtraction
- Deriving Decimal Multiplication Facts
- Multiplying decimals by a whole number
- Multiplying decimals using a formal written method (short multiplication)
- Multiplying decimals using mental strategies
- Problem-solving with decimals in context
- Representing 2-digit by 2-digit multiplication
- Multiplying a 3-digit number by a 2-digit number
- Problem-solving with multiplication