Yr 9 Unit4 Week 1 - Lesson 4

Yr 9 Unit4 - Lesson 4
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Slide 1: Tekstslide
MathematicsLower Secondary (Key Stage 3)

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

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Yr 9 Unit4 - Lesson 4

Slide 1 - Tekstslide

Explain what we mean by collecting like terms i.e. a + a + b + b +b

Slide 2 - Woordweb

Simplify a + a + b + b + b
A
2a + 3b
B
3b + 2a
C
2a + b
D
a + 3b

Slide 3 - Quizvraag

Simplify 2a + a + b + b -3 b
A
3a + 5b
B
2a - 3b
C
3a - b
D
2a - 3b

Slide 4 - Quizvraag

Simplify -2a + a + b + -b -3 b
A
3a + 5b
B
a + 5b
C
a - 4b
D
-a - 3b

Slide 5 - Quizvraag

Describe what is meant by substitution in a mathematical expression

Slide 6 - Woordweb

If a = 3 and b = 7 calculate 2a + b
A
10
B
6
C
13
D
7

Slide 7 - Quizvraag

If a = 3 and b = 7 calculate 2a + 3b
A
23
B
6
C
21
D
27

Slide 8 - Quizvraag

If a = 3 and b = 7 calculate 2a - 3b
A
-15
B
15
C
-5
D
5

Slide 9 - Quizvraag

If a = -3 and b = -7 calculate 2a + 3b
A
-27
B
27
C
-15
D
15

Slide 10 - Quizvraag

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

INSTRUCTIONS - Copy the top two questions into your exercise book and then answer them.

QUESTIONS - Top two

Slide 11 - Tekstslide

timer
5:00

Slide 12 - Tekstslide

Slide 13 - Tekstslide

Describe what you can see in the diagram above

Slide 14 - Woordweb

Describe the name of the blue shape below
A
Heptagon
B
Hexagon
C
Henagon
D
Hebagon

Slide 15 - Quizvraag

Write down the equation for the following diagram
A
h + s
B
h + s = 25
C
4h = 25
D
4h + s = 25

Slide 16 - Quizvraag


Select the correct sentences which describe the image above.
A
There are 2 equations.
B
There is a total of 5 heptagons.
C
There are 8 squares.
D
The total of the 2 equations is 11.

Slide 17 - Quizvraag


Select the correct sentences which describe the image above.
A
2h + 3s = 6
B
3s + 2h = 6
C
6 = 3s + 2h
D
2h + 3s = 5

Slide 18 - Quizvraag


Select the correct answer for the sum of the 2 equations.
A
5h + 3s = 11
B
3s + 8h = 11
C
5h + 8s = 5
D
5h + 8h = 11

Slide 19 - Quizvraag

Whiteboard
7h + 6s = 

Slide 20 - Tekstslide

Whiteboard
7h + 6s = 

Slide 21 - Tekstslide

Whiteboard
7h + 6s = 

Slide 22 - Tekstslide

Whiteboard
7h + 6s = 25 + 6

Slide 23 - Tekstslide

Whiteboard
7h + 6s = 25 + 6
= 31

Slide 24 - Tekstslide

Slide 25 - Tekstslide

Whiteboard
8h + 7s 

Slide 26 - Tekstslide

Whiteboard
3h + 7s 

Slide 27 - Tekstslide

Whiteboard
2h + s 

Slide 28 - Tekstslide

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

INSTRUCTIONS - Copy the selected notes into your exercise book.

Slide 29 - Tekstslide

timer
3:00

Slide 30 - Tekstslide

If 4x + y = 19 and x + 2y = 10, what is the value of 5x + 3y?
A
15
B
22
C
29
D
Cannot tell

Slide 31 - Quizvraag

If 4x + y = 19 and x + 2y = 10, what is the value of 3x - y?
A
9
B
26
C
16
D
Cannot tell

Slide 32 - Quizvraag

If a + 5b = 20 and 3a - 8b = -5, what is the value of 4a - 3b?
A
-25
B
-15
C
15
D
25

Slide 33 - Quizvraag

Slide 34 - Tekstslide

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

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

QUESTIONS - 1 and 2

Slide 35 - Tekstslide

Slide 36 - Tekstslide

Slide 37 - Tekstslide

Slide 38 - Tekstslide

Slide 39 - Tekstslide

Slide 40 - Tekstslide

Slide 41 - Tekstslide

Slide 42 - Tekstslide

Slide 43 - Tekstslide