## 2.2b Symbol representation

b. Recognize that a symbol represents the same number throughout an equation or expression (e.g., Δ + Δ = 8; thus, Δ = 4).

b. Recognize that a symbol represents the same number throughout an equation or expression (e.g., Δ + Δ = 8; thus, Δ = 4).

d. Describe and use the commutative, associative, distributive, and identity properties of addition and multiplication, and the zero property of multi...

d. Describe and use the commutative, associative, distributive, and identity properties of addition and multiplication, and the zero property of multi...

d. Describe and use the commutative, associative, distributive, and identity properties of addition and multiplication, and the zero property of multi...

Describe and use the commutative, associative, distributive, and identity properties of addition and multiplication, and the zero property of multipli...

Describe and use the commutative, associative, distributive, and identity properties of addition and multiplication, and the zero property of multipli...

b. Recognize that a symbol represents the same number throughout an equation or expression (e.g., Δ + Δ = 8; thus, Δ = 4).

Recognize that a symbol represents the same number throughout an equation or expression (e.g., Δ + Δ = 8; thus, Δ = 4).