# Unit 5: Time and Temperature + finishing addition and sub

Unit 5 time and temperature
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Slide 1: Tekstslide
MathematicsPrimary Education

In deze les zitten 10 slides, met tekstslides en 1 video.

## Onderdelen in deze les

Unit 5 time and temperature

#### Slide 1 -Tekstslide

You can tell the temperature outside by reading a thermometer!
It can tell you how hot or cold the weather is, so you can plan what activities to do! 🌞

#### Slide 3 -Video

Why are the numbers on the left side (👈)of the thermometer bigger than the numbers on the right side (👉)?

#### Slide 4 -Tekstslide

That's because there are 2 ways of measuring how hot or cold the weather is:
°F (degrees Fahrenheit)
°C (degrees Celsius)

#### Slide 5 -Tekstslide

key point Celsius and Fahrenheit are the names of the people who invented the thermometer!
People in the United States use Fahrenheit.
People in the rest of the world use Celsius.

#### Slide 6 -Tekstslide

32°F is really cold.
It's also a special temperature. It's when water freezes into ice.
At 32°F you could go:
iceskating
snowboarding
skiing

#### Slide 7 -Tekstslide

If it's 0°C outside, how many °F is it?

#### Slide 8 -Tekstslide

If it's 30°C outside, how many °F is it?

#### Slide 9 -Tekstslide

Math smart pages 18,19,20,21
Curriculum pages 22,23,24,25 cont of sub + addition
26,27,28,29 time + temp