AnswersELPGEQ2 MJ Math 6 - 1205010 HCPS v24Ordering Rational Numbers

Ordering Rational Numbers Answers

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1
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Which number line correctly graphs the numbers in the list? –6, 4, –1, 0 , 5

A
A number line going from negative 6 to positive 6 in increments of 1. Points are at negative 6, negative 1, 0, 4, 5.
Option A
B
A number line going from negative 6 to positive 6 in increments of 1. Points are at negative 6, 0, 1, 4, 5.
Option B
C
A number line going from negative 2 to positive 10 in increments of 1. Points are at 0, 1, 4, 5, 6.
Option C
D
A number line going from negative 2 to positive 10 in increments of 1. Points are at negative 1, 0, 4, 5, 6.
Option D
2
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Sabric and Jessica disagree over an inequality statement. Sabric claims that –3.613 > –3.63. Jessica claims that –3.613 < –3.63. Which statement about each student’s claim is true?

A
Jessica is correct because –3.613 lies to the left of –3.63 on a number line.
B
Jessica is correct because –3.63 lies to the right of –3.613 on a number line.
C
Sabric is correct because –3.613 lies to the left of –3.63 on a number line.
D
Sabric is correct because –3.613 lies to the right of –3.63 on a number line.
3

Which list orders the numbers from least to greatest?

Question illustration
A
1.3, 1 and one-half, negative 2.5, negative 2 and two-thirds, 3
Option A
B
negative 2.5, negative 2 and two-thirds, 1.3, 1 and one-half, 3
Option B
C
Negative 2.5, negative 2 and two-thirds, 1 and one-half, 1.3, 3
Option C
D
Negative 2 and two-thirds, negative 2.5, 1.3, 1 and one-half, 3
Option D
4

Which list orders the numbers from least to greatest?

Question illustration
A
Negative 1 and one-eighth, negative 1.5, negative 2 and one-fourth, negative 2.4, negative 3
Option A
B
Negative 3, negative 2.4, negative 2 and one-fourth, negative 1.5, negative 1 and one-eighth
Option B
C
Negative 3, negative 2 and one-fourth, negative 2.4, negative 1 and one-eighth, negative 1.5
Option C
D
Negative 1.5, negative 1 and one-eighth, negative 2.4, negative 2 and one-fourth, negative 3
Option D
5

Which list orders –3, 2, 5, –1 from least to greatest?

A
–1, 2, –3, 5
B
–1, –3, 2, 5
C
–3, –1, 2, 5
D
5, 2, –1, –3
6

Which list orders the numbers from least to greatest?–2.6, 5.1, 0.8, –2.16, 0.58

A
0.58, 0.8, –2.16, –2.6, 5.1
B
–2.16, –2.6, 0.8, 0.58, 5.1
C
–2.16, –2.6, 0.58, 0.8, 5.1
D
–2.6, –2.16, 0.58, 0.8, 5.1
7

The average rainfall in Phoenix is 8.29 inches per year. The table shows recent data on the difference in annual rainfall from the average.Phoenix Annual Total RainfallYearRainfall compared to average yearly rainfall2008+6.57 inches2009–2.68 inches2010+12.26 inches2011–4.38 inches2012–4.46 inchesWhich list represents the years from driest to wettest?

A
2010, 2008, 2009, 2011, 2012
B
2011, 2012, 2009, 2008, 2010
C
2012, 2011, 2009, 2008, 2010
D
2009, 2011, 2012, 2008, 2010
8

Maya is the manager for the track team. She created a table to compare finish times from the second practice to the first practice.100 m Dash Finish Time ComparisonRunnerSecond practice time compared to first practice timeJoshua+1.03Kedwin–0.97Leila–0.95Miguel+1.1Nicole–0.87Maya claims that the runners’ order of most improved to least improved is Miguel, Joshua, Nicole, Leila, and Kedwin. Which statement describes whether Maya is correct?

A
Maya is correct because she compared each digit in the same place value. Miguel added the most time to his sprint so he is most improved.
B
Maya is incorrect because –0.87 < –0.95 < –0.97. Runners that decrease times are improving, and those that add time are not improving.
C
Maya is incorrect because 1.1 < 1.03. She should switch the order of Joshua and Miguel because Joshua added more time to his run.
D
Maya is incorrect because she listed the runners from least improved to most improved. Runners that decreased times are improving, and those that add time are not improving.
9

Which list orders the numbers from least to greatest?–5, 1, 3, –2

Question illustration
A
1, –2, 3, –5
B
–2, –5, 1, 3
C
–5, –2, 1, 3
D
3, 1, –2, –5
10

The table shows the dates, times, and high and low tide heights.Cresap Bay Tide TableDateTimeLow/high tide Thursday, Feb. 71:26 a.m.2.6 ft (low)7:26 a.m.6.4 ft (high)2:29 p.m.–0.8 ft (low)9:21 p.m.4.8 ft (high)Friday, Feb. 82:24 a.m.1.5 ft (low)8:22 a.m.6.5 ft (high)3:16 p.m.–1.6 ft (low)10:02 p.m.5.1 ft (high)On what date and time was the lowest tide?

A
Thursday, Feb. 7, at 2:29 p.m.
B
Friday, Feb. 7, at 9:21 p.m.
C
Friday, Feb. 8, at 2:24 a.m.
D
Friday, Feb. 8, at 3:16 p.m.

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