Yr 8 Unit 4 Week 1 - Lesson 3

Yr 8 Unit 4 Week 1 - Lesson 3
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Slide 1: Diapositive
MathematicsLower Secondary (Key Stage 3)

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Yr 8 Unit 4 Week 1 - Lesson 3

Slide 1 - Diapositive

Explain the difference between a horizontal line and a vertical line.

Slide 2 - Carte mentale

DO NOW
TITLE - Unit 4 Week 1 - Lesson 3 - DO NOW

INSTRUCTIONS - Write down the questions in your exercise book and answer them.

QUESTIONS - Do the questions on the left hand side.

Slide 3 - Diapositive

timer
4:30

Slide 4 - Diapositive

Slide 5 - Diapositive

Red
Green
Blue
Purple
Use the image above and the colour of the lines to drag either horizontal or vertical onto the colour targets.
Horizontal
Vertical
Horizontal
Vertical

Slide 6 - Question de remorquage

timer
2:00

Slide 7 - Diapositive

Drag and drop the correct values onto the inequalities above in order to describe the two shaded regions in the graph to the right.
-2
-1
0
1
2
3
4
5
6
7
8
9

Slide 8 - Question de remorquage

NEW LEARNING
TITLE - Unit 4 Week 1 - Lesson 3 NEW LEARNING

INSTRUCTIONS - Copy the sentence to the left of the graph and draw the graph in your exercise book.

Slide 9 - Diapositive

Slide 10 - Diapositive

Using the notes from the New Learning, describe what is meant by a LATTICE POINT

Slide 11 - Carte mentale

LATTICE POINT
A lattice point is a point on a graph whose coordinate positions are where a VERTICAL AND HORIZONTAL LINE MEET.
The x and y value are INTEGERS i.e.
x = 1 and y = 2
x = -3 and y = -5


Slide 12 - Diapositive

Slide 13 - Diapositive


A
1 < x < 3
B
1 ≤ x < 3
C
1 ≤ x ≤ 3
D
1 < x ≤ 3

Slide 14 - Quiz

Slide 15 - Diapositive


The inequality represented by the shaded region is:
A
-5 < y < 5
B
x < 9 and y < 4
C
-1 < y < 4
D
-9 < x < 9

Slide 16 - Quiz

Slide 17 - Diapositive

Slide 18 - Diapositive


A
4
B
6
C
8
D
9

Slide 19 - Quiz

Slide 20 - Diapositive

3

Draw a sketch to help you work out how many lattice points are enclosed by the region:

1 < x < 4
1 < y < 4
A
2
B
3
C
4
D
6

Slide 21 - Quiz

Today we have been looking at graphs and how regions can be defined using inequalities.
Please answer below how well you have understood this work.
I understand all of it
I am not sure about how the inequalities are shown on a graph
I have some questions that I would like to ask
I was able to follow some parts
I did not understand it.

Slide 22 - Sondage

INDEPENDENT STUDY
TITLE - Unit 4 Week 1 - Lesson 3 INDEPENDENT STUDY

INSTRUCTIONS - Copy the questions into your exercise book and answer. 

INSTRUCTIONS - Only do questions 1 - 2 and show your working out on the sheets provided.

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Slide 26 - Diapositive

List one thing that we have done in this lesson.

Slide 27 - Carte mentale

Do you understand how an inequality can be shown on a graph?
Yes I understand how an inequality can be shown on a graph
I can shade a simple inequality such as x < 2 on a graph
I can draw a simple inequality with some help
I do not know how to draw a simple inequality on a grapg

Slide 28 - Sondage

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