# Lesson: 3-Digit by 2 and 3-Digit Multiplication

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### Lesson Objective

SWBAT solve 3-digit by 3-digit multiplication word problems.

### Lesson Plan

Teacher:

Subject:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â

Kurt Sarsfield

5th Grade Math Problem Solving

Date: October 26, 2009

Lesson

2.26-3-Digit by 2 and 3-Digit Multiplication

CAT

2.26

SWBAT solve 3-digit by 3-digit multiplication word problems.

Example 1--procedure problem without graph paper.Â  Example 2--multiplication word problem.Â  Example 3--Choose the operation.

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Vocabulary:

Place value

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Place holder

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Exit Ticket:

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1.Â Â Â Â Â Â  Â Thomas has 68 fish in his fish tanks.Â  His wife has 157 fish in her fish tank.Â  How many fish do they have in all?

2.Â Â Â Â Â Â  Namin owns a pet store.Â  At the store there are 53 fish in each fish tank.Â  There are 42 fish tanks at the store.Â  How many fish are there in all?

3.Â Â Â Â Â Â  Which question requires you to use multiplication?Â  Why did you choose this operation?

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Outline/Agenda with TimingÂ

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 5 Do Now 3 Review Do Now 3 Write homework 5 Brain Bucket 5 Notes on using carry method Teacher talk except for facts Â 4 Example 1-Read question to students.Â  Explain why you chose that operation. Students try to use carry method. They read the explanation provided aloud to each other and raise their hands when they hear a mathcabulary word. 5 Example 2 12 Classwork 5 Closure:Â  Check problems 2-5 for correct operation. 2 Put away notes and pass up classwork. 5 Exit Ticket

Key Questions:

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See questions embedded in document.

Closure:Â

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Check the classwork section.Â  What helped you choose your operation in problem number 5?

### Lesson Resources

 2 26 3digit by 2and3digit Multiplication 5Mat 483