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Compare two or more three-digit numbers based on meanings of the hundreds, tens, and ones digits using >, =, and < symbols. Build, read, write (in standard and expanded form), and represent three-digit numbers using base-10 blocks and symbols.

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  • Lesson 21

    Use visual models, repeated addition, and multiplication to solve problems with equal sized groups. Compare the strategies to see which one is most efficient. Use visual models, addition, & multiplication to solve problems with equal sized groups.

  • Lesson 22

    Use visual models and equations to solve problems involving multiplying and dividing fractions. Use models & equations to solve problems involving multiplying and dividing fractions.

  • Lesson 23

    Match visual models to the numbers they represent in fraction and decimal format. Solve problems with decimal fractions. Match visual models to the numbers they represent in fraction and decimal format.