Year 8 Maths Lesson 2: Algebra - More substitution

Learning Objectives:
Substitution
Reinforce algebraic rules

Introduction:
Correct: 4.4: 1-6

Explain:
Use of brackets for negative addition/subtraction
Negatives "cubed/squared"

b = -3, c = 5
2(c - b) (expression)

a = -3
a³

Use the rule: y=-2x - 1:

x | y
-5|
-3|
-2|

Resources:
Heinemann 8
Puzzle Worksheet

Extension Work:

Supplementary Work:

Timing:
Correcting 4.4 (10 min)
Recap (5 min)
Workbook exercises
4.4 pg. 144 (35 min)
--7), 8), 10)
Puzzle Sheet (20 min)
Workbook
4.3 pg. 145
--5) LHS + RHS
--6) RHS
--7) LHS + RHS
--8) -> 12)

Behavioural Management:
If C- is causing trouble, shift his books

Scaffolding:
Order of operations

Homework:
Mathletics, Workbook if unfinished (mention I will CHECK this time)