Unpacked Content
Knowledge
Students know:
- how to represent addition and subtraction using models, pictures or symbolic representations.
- how to explain representations of quantities.
Skills
Students are able to:
- Represent quantities and operations physically, pictorially, or symbolically.
- Use informational and mathematical language to communicate the connections among addition and subtraction.
Understanding
Students understand that:
- both putting together and adding to can be viewed as addition.
- both taking apart and taking from can be viewed as subtraction.
Vocabulary
- Expression
- Equation
