5th Grade, Unit 2
In this unit, students extend their understanding of addition and subtraction with whole numbers to add and subtract decimals. They observe that the process of composing and decomposing a base-ten unit is the same for decimals as for whole numbers and the same methods of recording operations can be used with decimals. Students are also introduced to percents.
Family Letters
There is one Family Letter for Unit 2.
Currently available translations are linked below.
Computation Methods
Learn about computation methods students will use during this unit.
Addition and Subtraction with Decimals
Unit Vocabulary
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- Associative Property of Addition
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- centimeter (cm)
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- Commutative Property of Addition
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- decimal
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- decimeter (dm)
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- Distributive Property of Multiplication over Addition
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- equivalent decimals
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- expanded form
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- hundredth
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- meter (m)
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- millimeter (mm)
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- percent
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- standard form
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- tenth
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- thousandth
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- word form