CCSS.NCEX.Math.Content.7.EE.A - Use properties of operations to generate equivalent expressions.
- CCSS.NCEX.Math.Content.7.EE.A.1 - Understand that adding zero to a number leaves it unchanged.
- CCSS.NCEX.Math.Content.7.EE.A.2 - Use concrete objects and representations to illustrate addition of 3 or more numbers, regardless of which pair is added first, equal the cardinal number (associative).
- CCSS.NCEX.Math.Content.7.EE.A.3 - Use concrete objects and representations to illustrate multiplication of 2 numbers regardless of order equal the cardinal number (commutative).