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Slide 1: Diapositive
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Cette leçon contient 34 diapositives, avec quiz interactifs et diapositives de texte.

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Welcome

Slide 1 - Diapositive

Planning
  • Prior knowledge
  • New theory

Slide 2 - Diapositive

Grab your laptop

Slide 3 - Diapositive

Simplify
10a2b
A
20ab
B
12ab
C
-20ab
D
8a

Slide 4 - Quiz

Simplify
7xy+8xy
A
xy
B
14xy
C
14x
D
15xy

Slide 5 - Quiz

Simplify
3ab+7ac
A
4ab
B
na
C
4bc
D
4ac

Slide 6 - Quiz

Simplify
3a6a
A
18a2
B
18a
C
na
D
9a

Slide 7 - Quiz

Simplify
4x7y
A
-28xy
B
28xy
C
na
D
-11xy

Slide 8 - Quiz

Put your laptop away and grab your notebook

Slide 9 - Diapositive

New theory

Slide 10 - Diapositive

You saw how to simplify products with letters and how to simplify like terms.

Now we are going to combine these two. 

Slide 11 - Diapositive

How would you calculate 
38+75

Slide 12 - Diapositive

How would you calculate 
38+75
38+75=

Slide 13 - Diapositive

How would you calculate 
38+75
first multiplication
38+75=
38+75

Slide 14 - Diapositive

How would you calculate 
38+75
24+35=
first multiplication
38+75=
38+75

Slide 15 - Diapositive

How would you calculate 
38+75
24+35=
first multiplication
38+75=
then the sum
38+75

Slide 16 - Diapositive

How would you calculate 
38+75
24+35=
first multiplication
59
38+75=
then the sum
38+75

Slide 17 - Diapositive

But what when there are letters in the calculation?
53a+64a

Slide 18 - Diapositive

But what when there are letters in the calculation?
53a+64a
What do you think is the first step?

Slide 19 - Diapositive

But what when there are letters in the calculation?
53a+64a=
Step 1: multiplication
Write down!

Slide 20 - Diapositive

But what when there are letters in the calculation?
53a+64a=
Step 1: multiplication
Write down!
15a+24a=

Slide 21 - Diapositive

But what when there are letters in the calculation?
53a+64a=
Step 1: multiplication
Write down!
15a+24a=
What is the next step?

Slide 22 - Diapositive

But what when there are letters in the calculation?
53a+64a=
Step 1: multiplication
Step 2: combine like terms
Write down!
15a+24a=

Slide 23 - Diapositive

But what when there are letters in the calculation?
53a+64a=
Step 1: multiplication
Step 2: combine like terms
Write down!
15a+24a=
39a

Slide 24 - Diapositive

Simplify                          
29b3b3
Write down the intermediate steps!

Slide 25 - Diapositive

How to simplify                             
6x5y+3yz
6x5y+3yz=
Step 1:
Write down

Slide 26 - Diapositive

How to simplify                             
6x5y+3yz
6x5y+3yz=
Step 1: multiplication
Write down

Slide 27 - Diapositive

How to simplify                             
6x5y+3yz
6x5y+3yz=
Step 1: multiplication
36xy+3yz=
Write down

Slide 28 - Diapositive

How to simplify                             
6x5y+3yz
6x5y+3yz=
Step 1: multiplication
Step 2: 
36xy+3yz=
Write down

Slide 29 - Diapositive

How to simplify                             
6x5y+3yz
6x5y+3yz=
Step 1: multiplication
Step 2: combine like terms
36xy+3yz=
Write down

Slide 30 - Diapositive

How to simplify                             
6x5y+3yz
6x5y+3yz=
Step 1: multiplication
Step 2: combine like terms
36xy+3yz
Write down

Slide 31 - Diapositive

Simplify                          
6a7b4b5c
Write down the intermediate steps!

Slide 32 - Diapositive

Questions?

Slide 33 - Diapositive

Homework:
For Monday 21 June
Make: ex. 5, 7, 8, 10 on page 93

Slide 34 - Diapositive