lesson 1 and 2: refresh, 11.1, 11.2

Lesson 1

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Slide 1: Diapositive

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Lesson 1

Slide 1 - Diapositive

Units of lengths

Slide 2 - Diapositive

27m = .... dm

Slide 3 - Question ouverte

6 300 cm = .... m

Slide 4 - Question ouverte

1 : 40 000 means ?

Slide 5 - Question ouverte

scale is 1 : 4000 so 1 cm is .... m

Slide 6 - Question ouverte

Slide 7 - Diapositive

Here you can see two figures that consist of whole and half grid squares. A whole grid square is 1 by 1 cm.
What is the perimeter of each figure in cm?

Slide 8 - Question ouverte

Here you can see two figures that consist of whole and half grid squares. A whole grid square is 1 by 1 cm.

What is the area of each figure in cm^2?

Slide 9 - Question ouverte

Slide 10 - Diapositive

Estimate the height of the building

Slide 11 - Question ouverte

Lesson 2

Slide 12 - Diapositive

How do you calculate the area of o rectangle?

Slide 13 - Diapositive

Units of area

Slide 14 - Diapositive

27 m^{​ 2 ​ ​} = . . . . . . d m^{​ 2 ​ ​}

Slide 15 - Question ouverte

630000 c m^{​ 2 ​ ​} = . . . . . . m^{​ 2 ​ ​}

Slide 16 - Question ouverte

Calculate the area

Slide 17 - Question ouverte