1TH/vwo §9.5 challenging exercise = C10, p.113)

Think hard about this Task!

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Cette leçon contient 10 diapositives, avec quiz interactifs et diapositives de texte.

La durée de la leçon est: 45 min

Éléments de cette leçon

Think hard about this Task!

timer

1:00

Slide 1 - Diapositive

The good equation is:

2g+39=871

2g-39=871

Slide 2 - Quiz

Let's discuss which formula is the good one and why.

Can somebody explain it?!

Slide 3 - Diapositive

SOLUTION :

Slide 4 - Diapositive

Did you see this Task before?
If so, where?

Slide 5 - Carte mentale

Now make question b in your Notebook.

Slide 6 - Diapositive

answer question b is ....

454 girls and 415 boys

455. girls and 416 boys

456 girls and 417 boys

457 girls and 418 boys

Slide 7 - Quiz

Let's discuss Task b together.

How to Calculate the number of girls and boys?

Slide 8 - Diapositive

Solution question b:

Slide 9 - Diapositive

Slide 10 - Diapositive

1TH/vwo §9.5 challenging exercise = C10, p.113)

Éléments de cette leçon

Slide 1 - Diapositive

Slide 2 - Quiz

Slide 3 - Diapositive

Slide 4 - Diapositive

Slide 5 - Carte mentale

Slide 6 - Diapositive

Slide 7 - Quiz

Slide 8 - Diapositive

Slide 9 - Diapositive

Slide 10 - Diapositive

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