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6-8 Accelerated 6 Unit 7 Lesson 2

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•Accelerated 6 Accelerated 7

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Lesson 1 •Lesson 2 Lesson 3 Lesson 4 Lesson 5 Lesson 6 Lesson 7 Lesson 8 Lesson 9 Lesson 10 Lesson 11 Lesson 12 Lesson 13 Lesson 14 Lesson 15 Lesson 16 Lesson 17 Lesson 18 Lesson 19 Lesson 20 Lesson 21 Lesson 22 Lesson 23

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

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Unit 7, Lesson 2

Comparing Positive and Negative Numbers

Accelerated 6

Practice

Problem 1

Decide whether each inequality statement is true or false. Explain your reasoning.

\(\text-5 > 2\)
\(3 > \text-8\)
\(\text-12 > \text-15\)
\(\text-12.5 > \text-12\)

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Problem 2

Lesson 2 Resources

Student Materials

Here is a true statement: \(\text-8.7 < \text-8.4\). Select all of the statements that are equivalent to \(\text-8.7 < \text-8.4\).

-8.7 is further to the right on the number line than -8.4.
-8.7 is further to the left on the number line than -8.4.
-8.7 is less than -8.4.
-8.7 is greater than -8.4.
-8.4 is less than -8.7.
-8.4 is greater than -8.7.

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Problem 3

Plot each of the following numbers on the number line. Label each point with its numeric value.

0.4, -1.5, \(\text-1\frac{7}{10}\), \(\text{-}\frac{11}{10}\)

A number line with 5 evenly spaced tick marks, labeled negative 2 through 2.

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Problem 4

ForLesson 6: Write Expressions with Variables

Each lap around the track is 400 meters.

How many meters does someone run if they run:

2 laps?

5 laps?

\(x\) laps?
If Noah ran 14 laps, how many meters did he run?
If Noah ran 7,600 meters, how many laps did he run?

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Problem 5

ForLesson 1: Positive and Negative Numbers

Is a temperature of -11 degrees warmer or colder than a temperature of -15 degrees?
Is an elevation of -10 feet closer or farther from the surface of the ocean than an elevation of -8 feet?
It was 8 degrees at nightfall. The temperature dropped 10 degrees by midnight. What was the temperature at midnight?
A diver is 25 feet below sea level. After he swims up 15 feet toward the surface, what is his elevation?

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