Year 8 Maths Lesson 8: Expanding

Learning Objectives:
More intro to algebra concepts

Introduction:
Allow students to play with the blocks-
Who can come up with the most creative design?
Introduce problem:

Talk through the questions- When you get up to the picture part, give them subtle hints... "What does squared sound like?"

Resources:
Double Staircase worksheet
Coloured blocks
Puzzle sheet
Heinemann Maths 8

Extension Work:
Puzzle sheet

Supplementary Work:

Timing:
Playing with blocks (5 min)
Intro to worksheet (5 min)
Worksheet (15 min)
Discussion (5-10 min)
Expansion examples on board:
5(x - 2)
2a(a + 3b)
2x²y(x⁵ - 3xy³)
5(a + 6b) - 3a(3 - 10a) - 3b
Steps:
1) Expand brackets
2) Group like terms
3) Simplify
Workbook 4.10 (20 min)
1) 2) 3) 4) 6) 8) 9)
Puzzle Sheet (the rest)

Behavioural Management:
Don't be afraid to shift students!!

Homework:
Collect homework sheets
Remind about mathletics