Yr 9 Unit4 Week 1 - Lesson 3

Yr 9 Unit 4 - Lesson 3
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Slide 1: Diapositive
MathematicsLower Secondary (Key Stage 3)

Cette leçon contient 34 diapositives, avec quiz interactifs et diapositives de texte.

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Yr 9 Unit 4 - Lesson 3

Slide 1 - Diapositive

Write an explanation for the word rearranging

Slide 2 - Carte mentale

Consider the expression 2x + 3y + 4x + 5y.

The word REARRANGING describes the method whereby the various terms in the expression are repositioned i.e.


2x + 4x + 3y + 5y

Slide 3 - Diapositive

Write an explanation for the word scaling

Slide 4 - Carte mentale

The word SCALING refers to an action whereby some original value is increased by multiplying it by a value  greater than 1 or decreased  by multiplying it by a value less than 1.

Slide 5 - Diapositive

The word SCALING refers to an action whereby some original value is increased by multiplying it by a value  greater than 1 or decreased  by multiplying it by a value less than 1.

  • Increased scaling --> 2 x original value

Slide 6 - Diapositive

The word SCALING refers to an action whereby some original value is increased by multiplying it by a value  greater than 1 or decreased  by multiplying it by a value less than 1.

  • Increased scaling --> 2 x original value
  • Decreased scaling --> 0.5 x original value

Slide 7 - Diapositive

Which of the values for x and y satisfy the equation 2x + 3y = 12
A
x = 0 and y = 12
B
x = 3 and y = 4
C
x = 0 and y = 4
D
x = 3 and y = 2

Slide 8 - Quiz

DO NOW
In your exercise book:
  • TITLE - Unit 4 Week 1 - Lesson 3 DO NOW
  • INSTRUCTIONS - Write out the questions in your book and answer. 

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NEW LEARNING
In your exercise book:
  • TITLE - Unit 4 Week 1 - Lesson 3 NEW LEARNING
  • INSTRUCTIONS - Copy the note from the following slide into your book. 

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Slide 15 - Diapositive

3x = 12
x + y = 5
Find the value of x and y
A
x = 12 y = -7
B
x = 3 y = 2
C
x = 4 y = 1
D
x = 4 y could be anything

Slide 16 - Quiz

Slide 17 - Diapositive

x - 5 = -3
2x + y = 10
Find the value of x and y
A
x = -3 y = 16
B
x = 2 y = 6
C
x = 5 y = 0
D
x = 8 y = -6

Slide 18 - Quiz

Slide 19 - Diapositive

x + y = 5
2y - 3 = 11
Find the value of x and y
A
x = -2 y = -7
B
x = 3 y = 2
C
x = 7 y = -2
D
x = 2 y = 3

Slide 20 - Quiz

Slide 21 - Diapositive

INDEPENDENT STUDY Part 1
In your exercise book:
  • TITLE - Unit 4 Week 1 - Lesson 3 INDEPENDENT STUDY
  • INSTRUCTIONS - Write out the questions in your book and answer. 
  • QUESTIONS TO DO - 1 to 5

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INDEPENDENT STUDY ANSWERS

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INDEPENDENT STUDY Part 2
In your exercise book:
  • TITLE - Unit 4 Week 1 - Lesson 3 INDEPENDENT STUDY
  • INSTRUCTIONS - Write out the questions in your book and answer. 
  • QUESTIONS TO DO - 1 to 10

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