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Slide 1: Tekstslide
WiskundeMiddelbare schoolhavoLeerjaar 3

In deze les zitten 29 slides, met interactieve quizzen en tekstslides.

## Onderdelen in deze les

#### Slide 1 -Tekstslide

Today
• Start (5 min)
• 'New' subject (15 min)
• Bettermarks (15 min)
• Second part explanation (15 min)
• Bettermarks (25 min)
• End lesson (5 min)

Solve for x:
4x+2=6x8

Solve for x:
4x+4=2x+34
timer
1:30

4x+4=2x+34

#### Slide 5 -Tekstslide

To solve linear equations we use the balance method.

Example, solve:
Step 1: rearrange x terms
Step 2: rearrange constant terms
Step 3: divide
3x+8=x13
2x+8=13
2x=21
x=10.5

7(2x4)=19x+9

#### Slide 7 -Tekstslide

Remove the brackets
8(6x1)
timer
1:00

#### Slide 9 -Tekstslide

Bettermarks
• 15 minutes
• Bettermarks 13.1 (up to exersize 9 should be doable)
• Raise your finger if you have any questions or when you're finished
timer
15:00

#### Slide 10 -Tekstslide

Go to LessonUp again

y=2x2+x7

#### Slide 12 -Tekstslide

Find a, b and c in the formula
y=2x2+x7

#### Slide 13 -Open vraag

Find a, b and c in the formula
y=2x2+x7

y=2x2+x7
x=2ab±b24ac

3x2+18x+15=0

3x2+18x+15=0
a=3
b=18
c=15

3x2+18x+15=0
a=3
b=18
c=15
x=2ab±b24ac

#### Slide 18 -Tekstslide

3x2+18x+15=0
a=3
b=18
c=15
x=2ab±b24ac
x=2  318±(18)24  3  15

#### Slide 19 -Tekstslide

3x2+18x+15=0
a=3
b=18
c=15
x=2ab±b24ac
x=618±144
x=2  318±(18)24  3  15

#### Slide 20 -Tekstslide

3x2+18x+15=0
a=3
b=18
c=15
x=2ab±b24ac
x=618±144
x=2  318±(18)24  3  15
x=618±12

#### Slide 21 -Tekstslide

or

3x2+18x+15=0
a=3
b=18
c=15
x=2ab±b24ac
x=618±144
x=2  318±(18)24  3  15
x=618±12
x=618+12
x=61812

#### Slide 22 -Tekstslide

or

or

3x2+18x+15=0
a=3
b=18
c=15
x=2ab±b24ac
x=618±144
x=2  318±(18)24  3  15
x=618±12
x=618+12
x=61812
x=66
x=630

#### Slide 23 -Tekstslide

Solve for x:

or

or

or
3x2+18x+15=0
a=3
b=18
c=15
x=2ab±b24ac
x=618±144
x=2  318±(18)24  3  15
x=618±12
x=618+12
x=61812
x=66
x=630
x=1
x=5

#### Slide 24 -Tekstslide

or
3x2+18x+15=0
a=3
b=18
c=15
x=2ab±b24ac
x=1
x=5
x=2  318±(18)24  3  15

#### Slide 25 -Tekstslide

or
3x2+18x+15=0
a=3
b=18
c=15
x=2ab±b24ac
x=1
x=5
x=2  318±(18)24  3  15

#### Slide 26 -Tekstslide

Question 10 in Bettermarks

#### Slide 27 -Tekstslide

Bettermarks
• Bettermarks 13.1
• Until the end of the lesson
• Raise your finger if you have any questions or when you're finished