actividad para octavo grado


1.       Temperature in some cities

Cities
Madrid
Washington
Rusia
Helsinki
°T
6
-12
-4
-5

Which is the coldest city?

Which is the highest temperature?

Which is the difference between Russia and Washington?

2.      Draw a straight line number

3.      Write the whole number for each situation

* You are flying at 34 meters
* The thermometer points 4 degrees below zero
* He was born in 234 BC



4.      (+3) + (-5) =
 (-2) + (+4) =
 (+1) - (+7=
 (+2) - (-6) =

5.      +(+3) + (-5) =
b) –(+4) – (+6) =
 c) – (-5) + (+7) =
d) -(+3) + (+1) – (-4) =
e) -(+2) - (+1) – (+5) =
 f) -(+2) + (-1) + (-4) – (-5)=

 g) -(+1) - (+3) - (-4) – (-5)=

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