It is 2 o C

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# It is 2 o C - PowerPoint PPT Presentation

4 3 2 1 0 -1 -2 -3. It is 2 o C. The temperature drops by 3 degrees. What temperature is it now?. -1 o C. 4 3 2 1 0 -1 -2 -3. It is 4 o C. The temperature drops by 5 degrees. What temperature is it now?. -1 o C. 4 3 2 1 0 -1 -2 -3. 4 3 2 1 0 -1 -2 -3. 4 3

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## PowerPoint Slideshow about 'It is 2 o C' - keala

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Presentation Transcript

4

3

2

1

0

-1

-2

-3

It is 2oC
• The temperature drops by 3 degrees
• What temperature is it now?

-1oC

4

3

2

1

0

-1

-2

-3

It is 4oC
• The temperature drops by 5 degrees
• What temperature is it now?

-1oC

4

3

2

1

0

-1

-2

-3

4

3

2

1

0

-1

-2

-3

4

3

2

1

0

-1

-2

-3

It is -2oC

4

3

2

1

0

-1

-2

-3

• The temperature rises by 3 degrees
• What temperature is it now?

+1oC

4

3

2

1

0

-1

-2

-3

4

3

2

1

0

-1

-2

-3

4

3

2

1

0

-1

-2

-3

4

3

2

1

0

-1

-2

-3

4

3

2

1

0

-1

-2

-3

3 - 4 =

-1

This is a

negative

number

20

15

10

5

0

-5

-10

-15

20

15

10

5

0

-5

-10

-15

20

15

10

5

0

-5

-10

-15

20

15

10

5

0

-5

-10

-15

It is 10oC
• The temperature drops by 15oC
• What is the temperature now?

-5oC

20

15

10

5

0

-5

-10

-15

20

15

10

5

0

-5

-10

-15

20

15

10

5

0

-5

-10

-15

20

15

10

5

0

-5

-10

-15

20

15

10

5

0

-5

-10

-15

It is 15oC
• The temperature drops by 20oC
• What is the temperature now?

-5oC

20

15

10

5

0

-5

-10

-15

20

15

10

5

0

-5

-10

-15

20

15

10

5

0

-5

-10

-15

20

15

10

5

0

-5

-10

-15

20

15

10

5

0

-5

-10

-15

15 - 20 =

-5

20

15

10

5

0

-5

-10

-15

20

15

10

5

0

-5

-10

-15

20

15

10

5

0

-5

-10

-15

-15+10 =

-5

20

15

10

5

0

-5

-10

-15

20

15

10

5

0

-5

-10

-15

20

15

10

5

0

-5

-10

-15

20

15

10

5

0

-5

-10

-15

20

15

10

5

0

-5

-10

-15

-15+20 =

+5