§6.4 Arithmetic with Letters

• Wiskunde
• Middelbare school
• vwo
• Leerjaar 1

C6 Formulas and Letters

Mr. Fintelman (FNL)

Friday March 14th

2025

Mr. Fintelman (FNL)

Wednesday November 11th

2024

Date	Friday March 14th 2025
Paragraph	§6.4 Arithmetic with Letters
Pages from the handbook	Pag. 26-28
Subject	Simplification of equal terms Simplification of products

Today is the day...

I can already…

1. … draw the graph of a quadratic function.
2. … tell the difference between linear and quadratic functions.

Prior Knowledge

Exercise 43 - Pag. 25

Exercise 43 - Pag. 25

After this lesson, I can…

1. … simplify the sum of equal terms.
2. … simplify a product containing letters.

Goals

What is the perimeter of the square if ... ?

5 m

5 m

What is the perimeter of the square if ... ?

2 m

2 m

What is the perimeter of the square if ... ?

x

x

Sum of equal terms

What is the perimeter of the square if ... ?

x

x

4x

Exercise 46 - Pag. 26

What is the area of the square if ... ?

5 m

5 m

What is the area of the square if ... ?

2 m

2 m

What is the area of the square if ... ?

x

x

Product of letters

What is the perimeter of the square if ... ?

x

x

x​2​​

Exercise 48  - Pag. 27

Exercise 50 - Pag. 27

Worktime

You work neatly by…

1. … reading the theory (again) before asking a question to your classmate.
2. … raising a hand before asking a question to the teacher.
3. … if the teacher is busy, remember your question and move on.
   

Help:

Exercises: 46, 48, 49, 50, 51 and L7.

Assignments:

Pages: 26-28

Exercises: 46, 48, 49, 50, 51 and L7.

Assignments from the planning of §6.4:

Extra:

Exercises: -

Now I can…

1. … simplify the sum of equal terms.
2. … simplify a product containing letters.

Reflection

Exercise 51 - Pag. 28

Mr. Fintelman (FNL)

Wednesday November 11th

2024

Date	Monday March 17th 2025
Paragraph	§6.4 Arithmetic with Letters
Pages from the handbook	Pag. 28-30
Subject	Like terms

Today is the day...

I can already…

1. … simplify the sum of equal terms.
2. … simplify a product containing letters.

Prior Knowledge

Exercise L7 - Pag. 28

After this lesson, I can…

1. … add like terms.

Goals

What is the perimeter of the square if ... ?

5 m

5 m

What is the perimeter of the square if ... ?

x

x

4x

What is the perimeter of the rectangle if ... ?

5 m

12 m

What is the perimeter of the rectangle if ... ?

x

y

Exercise 53  - Pag. 29 (No homework)

Like terms

Like terms

Exercise 54  - Pag. 29

Exercise 55  - Pag. 29

Exercise 58  - Pag. 30

Worktime

You work neatly by…

1. … reading the theory (again) before asking a question to your classmate.
2. … raising a hand before asking a question to the teacher.
3. … if the teacher is busy, remember your question and move on.
   

Help:

Exercises: 46, 48, 49, 50, 51, L7, 54, 55, 57, 58 and L8.

Assignments:

Pages: 26-30

Exercises: 46, 48, 49, 50, 51, L7, 54, 55, 57, 58 and L8.

Assignments from the planning of §6.4:

Extra:

Exercises: -

Now I can…

1. … simplify the sum of equal terms.
2. … simplify a product containing letters.
3. … add like terms.

Reflection

Exercise 57 - Pag. 30

Mr. Fintelman (FNL)

Wednesday November 11th

2024

Date	Wednesday March 19th 2025
Paragraph	§6.4 Arithmetic with Letters
Pages from the handbook	Pag. 31-32
Subject	Simplify multiplications and additions

Today is the day...

I can already…

1. … add like terms.

Prior Knowledge

Exercise L8 - Pag. 30

After this lesson, I can…

1. … simplify multiplications and additions.

Goals

Exercise 61  - Pag. 31

Exercise 62  - Pag. 31

Exercise 63ab  - Pag. 32

Exercise 64  - Pag. 32

Worktime

You work neatly by…

1. … reading the theory (again) before asking a question to your classmate.
2. … raising a hand before asking a question to the teacher.
3. … if the teacher is busy, remember your question and move on.
   

Help:

Exercises: 46, 48, 49, 50, 51, L7, 54, 55, 57, 58, L8, 61, 62, 63, 64 and 65.

Assignments:

Pages: 26-32

Exercises: 46, 48, 49, 50, 51, L7, 54, 55, 57, 58, L8, 61, 62, 63, 64 and 65.

Assignments from the planning of §6.4:

Extra:

Exercises: -

Now I can…

1. … simplify the sum of equal terms.
   
2. … simplify a product containing letters.
3. … add like terms.

Reflection

Exercise 65 - Pag. 32