# Multiplying decimals by integers

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##### Intros

###### Lessons

- Introduction to multiplying and dividing decimals with integers:
- What are integers?
- What are the multiplication rules for decimals and integers?
- Multiplying decimals with integers using mental math
- Multiplying decimals with integers using regrouping
- Multiplying decimals with integers using base ten (block) models
- Multiplying decimals with integers using long multiplication

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##### Examples

###### Lessons

**Multiplying decimals with integers without regrouping**

Use mental math to multiply the following! First decide if your answer is positive or negative. Then multiply each place value with the integer value.**Multiplying decimals with integers WITH regrouping**

Multiply each decimal and integer pair. Regroup if necessary, circle whether the answer will be positive or negative and rewrite the answer as a standard form decimal.**Multiplying decimals with integers using base ten (block) models**

Use base ten (block) models to show each multiplication statement and solve**Long multiplication with decimals and integers**

Use the long multiplication algorithm to multiply each decimal with the integer given.

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