MA19.5.8

Mathematics (2019) Grade(s): 5

MA19.5.8
Add, subtract, multiply, and divide decimals to hundredths using strategies based on place value, properties of operations, and/or the relationships between addition/subtraction and multiplication/division; relate the strategy to a written method, and explain the reasoning used.

Unpacked Content

Knowledge

Students know:

Strategies based on place value understanding, properties, and relationship between operations to find the sum, difference, product, and quotient of whole numbers.
How to write decimal notation for fractions with denominators of 10 or 100.
Use estimation strategies to assess reasonableness of answers.

Skills

Students are able to:

Use concrete models, drawings, and strategies to add, subtract, multiply, and divide decimals.
Relate strategies for operations with decimals to a written method and explain reasoning used.
Solve real-world context problems involving decimals.

Understanding

Students understand that:
Problems involving operations with decimals

Can be solved using a variety of strategies based on place value, properties of operations, or the relationship between the operations.
Can be illustrated using concrete models or drawings.

Vocabulary

Decimal
Tenths
Hundredths
Place value

Aligned Learning Resources

Addition & Subtraction of Decimals StudyJam

Multiplication of Decimals StudyJam

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