inequality

inequalities
> more than
 5 > 2

< less than
6 < 9
1 / 14
volgende
Slide 1: Tekstslide
WiskundeMiddelbare schoolhavoLeerjaar 3

In deze les zitten 14 slides, met interactieve quizzen en tekstslides.

time-iconLesduur is: 50 min

Onderdelen in deze les

inequalities
> more than
 5 > 2

< less than
6 < 9

Slide 1 - Tekstslide

simplify as far as possible

14x = 42
A
x = 28
B
x = 4
C
x = 3
D
7x = 21

Slide 2 - Quizvraag

simplify as far as possible

- 5 x = - 25
A
x = 5
B
x = -5
C
x = 20
D
x= -20

Slide 3 - Quizvraag

simplify as far as possible

8x > 16
A
x > 8
B
4x > 8
C
1 > 2
D
x > 2

Slide 4 - Quizvraag

simplify as far as possible

12 x < 6
A
2x < 1
B
x < 0.5
C
x > 0.5
D
2x > 1

Slide 5 - Quizvraag

1.4 note
simplify negative inequalities
examples
A)            4 < 8       -->    divide by 4    -->   1 <  2
B)                      -4 < 8   -->    divide by - 4  -->    1 < -2    or     1  >  -2   ?  


Slide 6 - Tekstslide

examples
flip when dividing by a negative number
-3x < 6                                  -x > -7                              7x < -14


Slide 7 - Tekstslide

simplify
-x < 10
A
x < -10
B
x < 10
C
x > 10
D
x > -10

Slide 8 - Quizvraag

simplify

4x > 24
A
x > 20
B
x < 6
C
x > 6
D
x < 20

Slide 9 - Quizvraag

simplify

-7x < 14
A
x < -2
B
x < 2
C
x > -2
D
x > 2

Slide 10 - Quizvraag

simplify

- 9x > -81
A
x < 9
B
x > 9
C
x < -9
D
x > -9

Slide 11 - Quizvraag

welke volgorde gebruik je om 5 ( x + 5) > 6x - 14 op te lossen?
haakjes
balansmethode
controleren of > of < omklapt
eerste stap
tweede stap
derde stap

Slide 12 - Sleepvraag

do exercise on page 28-29
49
50
51
52

Slide 13 - Tekstslide

how good do you consider yourself in solving inequalities?
A
unable to solve anything
B
i make a few mistakes and don't know why
C
i make a few mistakes but i DO know why
D
i'm able to solve inequalities

Slide 14 - Quizvraag