Big Ideas Math: Modeling Real Life, Grade 6
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Big Ideas Math: Modeling Real Life, Grade 6 View details
1. Integers
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Exercise 1 Page 346

Positive numbers are numbers that are greater than 0. These numbers can be written with or without a positive sign. Negative numbers are less than 0 and are always written with a negative sign.

900

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Positive numbers are numbers that are greater than 0. These numbers can be written with or without a positive sign. Negative numbers are less than 0 and are always written with a negative sign.
positive numbers

Integers are the set of whole numbers and their opposites. Let’s use this information to write a positive or negative integer that represents the given situation.

A hiker climbs 900 feet up a mountain.

The words climbs ... up tell us that a hiker goes above certain level. This means that the height the hiker is on is increasing. We use positive numbers to express the enlargement of a number. 900