# Like terms (t1b)

Simplifying

March 20th, 2023
t1
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Slide 1: Slide
WiskundeMiddelbare schoolvwoLeerjaar 1

This lesson contains 28 slides, with interactive quizzes and text slides.

Lesson duration is: 60 min

## Items in this lesson

Simplifying

March 20th, 2023
t1

#### Slide 1 -Slide

Schedule
• Optical illusion                                                5 min
• Review quiz questions                              15 min
Discuss homework together
• Simplifying                                                       5 min
• (Silent) practice                                          20 min
• Extra examples                                             5 min
• Gooseboard!                                                20 min
Timekeeper?

Optical illusion

Optical illusion

#### Slide 4 -Slide

Review question 1:
Simplify.

3a5a=...
A
15a
B
2a
C
15a2
D
Cannot be simplified

#### Slide 5 -Quiz

Review question 2:
Simplify.

x+x+x+x+x=
A
4x
B
5x
C
x + 5
D
Huh?

#### Slide 6 -Quiz

Review question 3:
Simplify.

4a6b1.5c=...
A
11.5abc
B
24ab
C
9bc
D
36abc

#### Slide 7 -Quiz

Review question 4:
Simplify.

5x2yz=...
A
-10xyz
B
-7xyz
C
10xyz
D
Cannot be simplified

#### Slide 8 -Quiz

Review question 5:
Simplify.

2x9y3xy=...
A
15xy
B
15
C
8xy
D
Cannot be simplified

#### Slide 9 -Quiz

Check homework together
Chapter 6
Choose a route in 53 - 65

#### Slide 10 -Slide

Check homework together
Chapter 6
Choose a route in 53 - 65

#### Slide 11 -Slide

Check homework together
Chapter 6
Choose a route in 53 - 65

#### Slide 12 -Slide

Check homework together
Chapter 6
Choose a route in 53 - 65

#### Slide 13 -Slide

Intended Learning Outcomes
At the end of the lesson you can...
• Simplify more letters when adding like terms
Chapter 6
Choose a route in 53 - 65

#### Slide 14 -Slide

Tips
Chapter 6
Choose a route in 53 - 65

#### Slide 15 -Slide

Tips
Chapter 6
Choose a route in 53 - 65

#### Slide 16 -Slide

Let's try...
Chapter 6
Choose a route in 53 - 65

#### Slide 17 -Slide

Practice: 5 + 15 min
Chapter 6
Choose a route in 53 - 65

#### Slide 18 -Slide

Tips
-->

#### Slide 19 -Slide

Rules to remember
1. Use BODMAS!
2. Multiplying? Just 'stick' numbers to numbers, letters to letters

1.
2.
3.

#### Slide 20 -Slide

Rules to remember
1. Use BODMAS!
2. Multiplying? Just 'stick' numbers to numbers, letters to letters

1.
2.
3.
5x+8x3y=
2a3b21c=
5p3q+7p4q2=

#### Slide 21 -Slide

Simplify.

5xy9xy=...
A
-4xy
B
-4
C
4xy
D
Cannot be simplified

#### Slide 22 -Quiz

Simplify.

5xy9y=...
A
-4x
B
-4
C
-4xy
D
Cannot be simplified

#### Slide 23 -Quiz

Simplify.

21abc3abcabc=...
A
221abcabc
B
221a2b2c2
C
21abc3a2b2c2
D
Cannot be simplified

#### Slide 24 -Quiz

Letters: area & perimeter

#### Slide 25 -Slide

A rectangle has:
a length of 4x
a width of 6y
What is the perimeter?
A
10xy
B
24xy
C
4x + 6y
D
8x + 12y

#### Slide 26 -Quiz

A rectangle has:
a length of 4x
a width of 6y
What is the area?
A
10xy
B
24xy
C
4x + 6y
D
8x + 12y

Gooseboard!