Substitution 

a) Starter (Algebraic Substitution) Adds Up

b) Introduction (Algebraic Substitution)

c) Game (Algebraic Substitution) Millionaire

d) Practice (Substitution into Formula) Answers

e) Practice (Substitution into Formula)

f) Codebreaker (Algebraic Substitution) Answers

g) Codebreaker (Algebraic Substitution)

h) Practice (Algebraic Substitution) Superhero - Answers

i) Practice (Algebraic Substitution) Superhero

j) Target (Algebraic Substitution)

k) Target Boards (Algebraic Substitution) Answers

l) Formula Practice (Algebraic Substitution) Answers

m) Formula Practice (Algebraic Substitution)

n) Investigation (Algebraic Substitution) Algebraic Shapes - Excel

o) Investigation (Algebraic Substitution) Algebraic Shapes - Worksheet

p) Investigation (Algebraic Substitution) Algebraic Shapes

q) Diagnostic Questions (Algebraic Substitution)