Unit 7, Lesson 3
Ordering Rational Numbers
Accelerated 6
Practice
Problem 1
Select all of the numbers that are greater than \(\text-5\).
1.3
\(\text-6\)
\(\text-12\)
\(\frac{1}{7}\)
\(\text-1\)
\(\text-4\)
Problem 2
Here are the boiling points of certain elements in degrees Celsius:
- Argon: -185.8
- Chlorine: -34
- Fluorine: -188.1
- Hydrogen: -252.87
- Krypton: -153.2
List the elements from least to greatest according to their boiling points.
Problem 3
Decide whether each of the following quantities can be represented by a positive number or by a negative number. Give an example of a quantity with the opposite sign in the same situation.
- Tyler’s puppy gained 5 pounds.
- The aquarium leaked 2 gallons of water.
- Andre received a gift of \$10.
- Kiran gave a gift of \$10.
- A climber descended 550 feet.
Problem 4
Explain why zero is considered its own opposite.
Problem 5
Find the value of each expression.
-
\(2^3 \boldcdot 3\)
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\(\frac{4^2}{2}\)
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\(3^1\)
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\(6^2 \div 4\)
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\({2^3}-{2}\)
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\({10^2}+{5^2}\)