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.
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.
UP:MA19.5.8
Vocabulary
- Decimal
- Tenths
- Hundredths
- Place value
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
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.
