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6-8 Accelerated 6 Unit 7 Lesson 3

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IM K-5 Math
IM 6-8 Math
IM 9-12 Math

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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
\(\text-6\)
\(\text-12\)
\(\frac{1}{7}\)
\(\text-1\)
\(\text-4\)

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Lesson 3 Resources

Student Materials

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.

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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.

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Problem 4

Explain why zero is considered its own opposite.

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Problem 5

ForLesson 12: Meaning of Exponents

Find the value of each expression.

\(2^3 \boldcdot 3\)
\(\frac{4^2}{2}\)
\(3^1\)
\(6^2 \div 4\)
\({2^3}-{2}\)
\({10^2}+{5^2}\)

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