Unpacked Content
Knowledge
Students know:
- Distributive property of multiplication over addition.
- Strategies to express the sum of two whole numbers with a common factor as a multiple of a sum of two whole numbers with no common factor by decomposing the numbers.
Skills
Students are able to:
- Use and model the distributive property to express the sum of two whole numbers with a common factor as a multiple of a sum of two whole numbers with no common factor by decomposing the numbers.
Understanding
Students understand that:
- Multiplication is distributive over addition.
- Composing and decomposing numbers provides insights into relationships among numbers.
- Quantities can be represented using a variety of equivalent expressions.
Vocabulary
- Greatest common factor
- Distributive property
- Parentheses
- Decompose
