During Unit 7, your child will use the same place value understanding for adding and subtracting decimals that they used for adding and subtracting whole numbers.  Similarly, they will learn that the general methods used for computing products and quotients of whole numbers extend to computing the products and quotients of decimals, with the additional issue of placing the decimal point.

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Key Vocabulary

Students need to:

  • Multiply and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between repeated addition and subtraction; relate the strategy to a written method and explain the reasoning used.
    • Multiply tenths by tenths or tenths by hundredths
    • Divide in problems involving tenths and hundredths