Chapter 6

Calculating with letters
Simplifying products
1 / 28
next
Slide 1: Slide
WiskundeMiddelbare schoolvwoLeerjaar 1

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

Items in this lesson

Calculating with letters
Simplifying products

Slide 1 - Slide


Simplify.

A
18ab
B
18ba
C
45ab
D
45ba

Slide 2 - Quiz


Simplify.

A
18a
B
18a2
C
45a
D
45a2

Slide 3 - Quiz


Simplify.

A
51x
B
61x
C
51x2
D
61x2

Slide 4 - Quiz

Like terms

Like terms are terms with exactly the same letter combination.

Slide 5 - Slide

Are 3a and 5a like terms?
A
Yes
B
No

Slide 6 - Quiz

Are 3a and 5b like terms?
A
Yes
B
No

Slide 7 - Quiz

Are -3xy and 5xy like terms?
A
Yes
B
No

Slide 8 - Quiz

Are 2xy and 5xz like terms?
A
Yes
B
No

Slide 9 - Quiz

Are 3b and 8 like terms?
A
Yes
B
No

Slide 10 - Quiz

Are 3abcde and 8abcde like terms?
A
Yes
B
No

Slide 11 - Quiz

Are the terms on the right like terms?
A
Yes
B
No

Slide 12 - Quiz

Like terms

Slide 13 - Slide

Like terms
8a + 7a = 15a
8a + a = 9a
8a + 2b = cannot be simplified
8a + 2b = na
8a + 2a + a = 11a
8a + 5 = na
a + a = 2a

Slide 14 - Slide

Simplify if possible. If not, write na.

22a + 8a

Slide 15 - Open question

Simplify if possible. If not, write na.

10x + 17y

Slide 16 - Open question

Simplify if possible. If not, write na.

5x + 9

Slide 17 - Open question

Simplify if possible. If not, write na.

3a + a

Slide 18 - Open question

Simplify if possible. If not, write na.

19b + 6b + b

Slide 19 - Open question

Simplify if possible. If not, write na.

24ab + 12ac

Slide 20 - Open question

Simplify if possible. If not, write na.

x + x

Slide 21 - Open question

Simplify if possible. If not, write na.

a . a
A
2a
B
2a2
C
a2
D
na

Slide 22 - Quiz

Like terms
Make on page 25 exercise 51, 52abcdef

Slide 23 - Slide

Like terms
8a + 7a + 3b = 15a + 3b
8a + 3b + 7a = 15a + 3b
8a + 3b + 7a + 2b = 15a + 5b

Slide 24 - Slide

Simplify if possible. If not, write na.

6x + 3y + 2x

Slide 25 - Open question

Simplify if possible. If not, write na.

5a + 7b + 3a + 2b

Slide 26 - Open question

Simplify if possible. If not, write na.

3ab +2ac + 12ab + 4ac

Slide 27 - Open question

Like terms
Make on page 25, 26, 27 exercise 
51, 52abcdef, 54, 56, 58

Slide 28 - Slide