Learning Objectives:

__Adding and Subtracting Decimals__

*General Procedure for Adding and Subtracting Decimals:*

1. Write the numbers vertically and line up the **Decimal** points. Add zeros to the right as needed so each number has the same number of digits to the right of the **Decimal **point.

2. Bring the Decimal point down into the Sum or Difference.

3. Add or Subtract as we normally would.

*Adding two Decimals with the same sign:*

1. Add the **Absolute Values** of the **Decimals**.

2. The sign of the sum is the common sign.

*Adding two Decimals with different signs:*

1. Find the **Absolute Value** of the **Decimals**.

2. Subtract the smaller value from the larger value.

3. The sign of the sum is the original sign of the **Decimal** with the larger **Absolute Value**.

__Subtracting Decimals:__**Subtracting Decimals** is the same as adding the opposite.

Follow the rules for **Adding signed numbers**.

**Hook Questions:**

*1. **What are the General Procedures to Add and Subtract Decimals?*

*2. **What are the rules for Adding Signed Numbers?*

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