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Math Word Problems - GED, PSAT, SAT, ACT, GRE Preparation
4.18 Expressing Using Integers

Some important points when we use integers with signs:

1. Above zero is indicated by positive sign.
2. Below zero is indicated by negative sign.
3. Above sea-level is indicated by positive sign.
4. Below sea-level is indicated by negative sign.


1. 7 degree Centigrade above zero = 7 degree Centigrade.
2. 60 meters below sea-level = -60 meters.

Directions: Indicate the following expressions using integers.
Q 1: 9 degree Centigrade above zero
9 degree Centigrade
-9 degree Centigrade

Q 2: 40 meters below sea-level.
-40 meters
40 meters

Q 3: 9 degree Centigrade below zero
-9 degree Centigrade
9 degree Centigrade

Q 4: 390 meters below sea-level
-390 meters
390 meters

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