Learning Intention:Â Substitute integers into simple formulae (CL4)
Diagnostic: eg. A = (n + 1)2. What is the value of A when n = 3? n = -5? )
In algebra, when we replace letters in an expression or equation with numbers we call it substitution.
How can 4 + 3 x 🤣  be written as an algebraic expression?
Using n for the variable we can write this as 4 + 3n
We can evaluate the expression 4 + 3n by substituting different values for n.
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Use the Nayland College Algebra site to access resources to practice these skills.