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Chapter 5- Multiply by Two-Digit Numbers

Lesson 1- Multiply By Tens
Objective: Students will multiply a whole number by a multiple of ten.
Standard: 4.NBT.5 Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.
Related Links: 

Math Lines
Flashcards
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Lesson 2- Estimate Products
Objective: Students will estimate products by rounding.
Standard: 4.NBT.3 Use place value understanding to round multi-digit whole numbers to any place.
Related Links: 
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Mathman
Lesson 3- Hands On: Use the Distributive Property 
Objective: Students will explore multiplying by two-digit numbers
Standard: 4.NBT.5 Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.
Related Links: 


Vocabulary 

  • equation
  • decompose
  • factor
  • product
Picture
Redeption code: FHTT-XYKZ-SWSQ
User name: universal username -susd
Password: qwerty24
Lesson 4- Multiply by a 2-Digit Number
Objective: Students will estimate products by rounding.
Standard: 4.NBT.3 Use place value understanding to round multi-digit whole numbers to any place.
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Penguin Race 
Math Playground 
1. Stack the equation
2.  Multiply bottom ones times top ones and record the answer 
3. Multiply bottom ones times top tens and record the answer
4. Multiply the bottom tens times the top ones and record the answer
5. Multiply the bottom tens times the top tens and record the answer


Lesson 5- Estimate Products
Objective: Students will multiply two two-digit numbers. 
Standard: 4.OA.3 Solve multistep word problems posed with whole numbers and having whole-number answers using the four operations, including problems in which remainders must be interpreted. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.
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 Lesson 6- Problem Solving: Make a Table
Objective: Students will solve problems by making a table. 
Standard: 4.NBT.5 Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.
Related Links: 


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  • Home
  • Academics
    • Math
    • Lang Arts 4th
    • Language Arts Links
    • Science
    • Social Studies
  • Contact
  • More
    • Brain Breathers
    • Buddy Page
    • Growth
    • Multiplication Facts
    • Policies
    • Read Every Day!
    • Wish List