# Lesson 1

Lesson 1
1 / 43
Slide 1: Tekstslide
MathematicsLower Secondary (Key Stage 3)

In deze les zitten 43 slides, met interactieve quizzen en tekstslides.

Lesduur is: 50 min

## Onderdelen in deze les

Lesson 1

#### Slide 1 -Tekstslide

Calculating y Coordinate Values
If y = 12x, calculate the value value of y for each value of x

timer
5:00
x = 0
x = 1
x = 2
x = -1
x = -2
x = 0.5
x = 0.25
x = 0.1

#### Slide 2 -Tekstslide

Calculating y Coordinate Values
If y = 12x, calculate the value value of y for each value of x

x = 0
x = 1
x = 2
x = -1
y = 0
y = 12
y = 24
y = -12
x = -2
x = 0.5
x = 0.25
x = 0.1

#### Slide 3 -Tekstslide

Calculating y Coordinate Values
If y = 12x, calculate the value value of y for each value of x

x = 0
x = 1
x = 2
x = -1
y = 0
y = 12
y = 24
y = -12
x = -2
y = -24
x = 0.5
x = 0.25
y = 3
x = 0.1
y = 1.2
y = 6

#### Slide 6 -Tekstslide

Drag the colour disc that is part of a line on the circle beneath the correct equation.
x = 2
y = 1
y = 3
x = 9

#### Slide 7 -Sleepvraag

Drag the correct coordinate pair onto the box that matches the missing values in the table.
x
x
x
x
0
1
3
0
1
3
4
4
4
-1
0
3
y
0
1
3
y
0
1
3
y
1
2
4
y
1
-0
-3
(2, 3)
(2, -2)
(2, 2)
(4, 2)

#### Slide 8 -Sleepvraag

Given y = x, explain what will happen to y for each value of x?

#### Slide 9 -Woordweb

Explain what the graph of y = x will look like?

#### Slide 11 -Tekstslide

Exercise 1
Complete the table for the equation y = x and write down the coordinate pairs.

x
-2
-1
0
1
2
3
y
-2
(x, y)
(-2 ,-2)

#### Slide 12 -Tekstslide

Exercise 1
Complete the table for the equation y = x and write down the coordinate pairs

x
-2
-1
0
1
2
3
y
-2
-1
0
1
2
3
(x, y)
(-2 ,-2)

#### Slide 13 -Tekstslide

Exercise 1
Complete the table for the equation y = x and write down the coordinate pairs

x
-2
-1
0
1
2
3
y
-2
-1
0
1
2
3
(x, y)
(-2 ,-2)
(-1 ,-1)
(0 , 0)
(1 , 1)
(2 , 2)
(3 , 3)

#### Slide 14 -Tekstslide

Exercise 2.
Draw the graph using the coordinates in the table below.
Use suitable axes and label the line.

x
-2
-1
0
1
2
3
y
-2
-1
0
1
2
3
(x, y)
(-2 ,-2)
(-1 , -1)
(0 , 0)
(1 , 1)
(2 , 2)
(3 , 3)

#### Slide 15 -Tekstslide

NEW LEARNING
TITLE - Unit 10 Week 2 - Lesson 1 - NEW LEARNING

INSTRUCTIONS - Write down the following notes in your exercise book including the graph.

#### Slide 17 -Tekstslide

Explain in no more than 20 words, what does y = -x mean?

#### Slide 18 -Woordweb

Exercise 3
Complete the table for the equation y = -x and write down the coordinate pairs

x
-2
-1
0
1
2
3
y
(x, y)

#### Slide 19 -Tekstslide

Exercise 3
Complete the table for the equation y = -x and write down the coordinate pairs

x
-2
-1
0
1
2
3
y
2
1
0
-1
-2
-3
(x, y)

#### Slide 20 -Tekstslide

Exercise 3
Complete the table for the equation y = -x and write down the coordinate pairs

x
-2
-1
0
1
2
3
y
2
1
0
-1
-2
-3
(x, y)
(-2 , 2)
(-1 , 1)
(0 , 0)
(1 , -1)
(2 , -2)
(3 , -3)

#### Slide 21 -Tekstslide

Exercise 4
Use the table below to draw the equation y = -x.
Use suitable axes and label the line.

x
-2
-1
0
1
2
3
y
2
1
0
-1
-2
-3
(x, y)
(-2 , 2)
(-1 , 1)
(0 , 0)
(1 , -1)
(2 , -2)
(3 , -3)

A
(2, 2)
B
(-3.2, -3.2)
C
(1800, 1800)
D
(-4, 4)

#### Slide 26 -Tekstslide

Which line is NOT the line of y = x?
A
B
C
D

A
(7, 4)
B
(5, 4)
C
(-2, 2)
D
(7, 6)

#### Slide 30 -Tekstslide

Which graph is the line y = -x?
A
B
C
D

#### Slide 33 -Tekstslide

Reflection on the work covered
I CAN recognise each of the graphs: x = 3, y = 3 and y = x
I can recognize the difference between x = 3 and y = 3
I CANNOT recognise any of the graphs: x = 3, y = 3 and y = x

#### Slide 34 -Poll

INDEPENDENT STUDY
TITLE - Unit 10 Week 1 - Lesson 4 - NEW LEARNING

INSTRUCTIONS - Write down the questions in your book and then answer. Show all of your working out.

Minimum target - Concept corner and questions 1 to 3