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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