6 th Grade Math Homework Ch. 7-5 Page 346 #6-14 #28-36 (Spiral Review)
6 th Grade Math HOMEWORK 9-1
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Transcript of 6 th Grade Math HOMEWORK 9-1
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6th Grade Math HOMEWORK9-1
Page 452
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ANSWERS
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9-2 Comparing and Ordering Integers
6th Grade Math HOMEWORK
Page 456
#1-17
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9-2 Comparing and Ordering Integers
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Warm UpWarm Up
Lesson PresentationLesson Presentation
Problem of the DayProblem of the Day
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Warm UpCompare. Write <, >, or =.
1. 8,426 8,246
2. 9,625 6,852
3. 2,071 2,171
4. 2,250 2,250
>
>
<
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9-2 Comparing and Ordering Integers
=
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Problem of the Day
Four friends are waiting in line at the amusement park. Jenna is in front of Kyle. Kyle is behind Gary and in front of Maggie. Gary is first. In what order are they waiting?
Gary, Jenna, Kyle, Maggie
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9-2 Comparing and Ordering Integers
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Today’s Learning Goal Assignment
Learn to compare and order integers.
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9-2 Comparing and Ordering Integers
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9-2 Comparing and Ordering Integers
Numbers on a number line increase in value as you move from left to right.
Remember!
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9-2 Comparing and Ordering Integers
Additional Example 1: Comparing Integers Use the number line to compare each pair of integers. Write < or >.
A. –2 2
B. 3 –5
C. –1 –4
–5 –4 –3 –2 –1 0 1 2 3 4 5
–2 is to the left of 2 on the number line.–2 < 2
3 > –5 3 is to the right of –5 on the number line.
–1 is to the right of –4 on the number line.–1 > –4
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Course 1
9-2 Comparing and Ordering Integers
Try This: Example 1
Use the number line to compare each pair of integers. Write < or >.
A. –2 1
B. 2 –3
C. –3 –4
–5 –4 –3 –2 –1 0 1 2 3 4 5
–2 is to the left of 1 on the number line.–2 < 1
2 > –3 2 is to the right of –3 on the number line.
–3 is to the right of –4 on the number line.–3 > –4
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9-2 Comparing and Ordering Integers
Additional Example 2: Ordering Integers
Order the integers in each set from least to greatest.
A. –2, 3, –1
B. 4, –3, –5, 2
–3 –2 –1 0 1 2 3
Graph the integers on the same number line.
Then read the numbers from left to right: –2, –1, 3.
–6 –5 –4 –3 –2 –1 0 1 2 3 4 5 6
Graph the integers on the same number line.
Then read the numbers from left to right: –5, –3, 2, 4.
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9-2 Comparing and Ordering Integers
Try This: Example 2
Order the integers in each set from least to greatest.
A. –2, 2, –3
B. 6, –2, 5, –3
–3 –2 –1 0 1 2 3
Graph the integers on the same number line.
Then read the numbers from left to right: –3, –2, 2.
–6 –5 –4 –3 –2 –1 0 1 2 3 4 5 6
Graph the integers on the same number line.
Then read the numbers from left to right: –3, –2, 5, 6.
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9-2 Comparing and Ordering Integers
Additional Example 3: Problem Solving Application
11 Understand the Problem
The answer will be the player with the lowest score. List the important information:
• Craig scored +2.
• Cameron scored +3.
• Rob scored –1.
In a golf match, Craig scored +2, Cameron scored +3, and Rob scored –1. Who won the golf match?
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9-2 Comparing and Ordering Integers
Additional Example 3 Continued
22 Make a Plan
You can draw a diagram to order the scores from least to greatest.
Solve33
Draw a number line and graph each player’s score on it.
–3 –2 –1 0 1 2 3• • •
Rob’s score, –1, is farthest to the left, so it is the lowest score. Rob won the golf match.
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9-2 Comparing and Ordering Integers
Additional Example 3 Continued
Negative integers are always less than positive integers, so neither Craig nor Cameron won the golf match.
Look Back44
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9-2 Comparing and Ordering Integers
Try This: Example 3
11 Understand the Problem
The answer will be the player with the lowest score. List the important information:
• Melissa scored +6.
• Trista scored –3.
• Alyssa scored –1.
In a golf match, Melissa scored +6, Trista scored –3, and Alyssa scored –1. Who won the golf match?
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9-2 Comparing and Ordering Integers
Try This: Example 3 Continued
22 Make a Plan
You can draw a diagram to order the scores from least to greatest.
Solve33
Draw a number line and graph each player’s score on it.
• • •
Trista’s score, –3, is farthest to the left, so it is the lowest score. Trista won the golf match.
–6 –5 –4 –3 –2 –1 0 1 2 3 4 5 6
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9-2 Comparing and Ordering Integers
Negative integers are always less positive integers, so Melissa cannot be the winner. Since Trista’s score of -3 is less than Alyssa’s score of -1, Trista won.
Look Back44
Try This: Example 3 Continued
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Lesson QuizOrder the integers in each set from least to greatest.
1. –3, 7, 4
2. –11, 2, 5, –15
Compare. Write <, >, or =.
3. –3 4 4. –12 –10
5. A location in Carlsbad Caverns is 752 ft below
sea level, and another location is 910 ft below sea
level. Which location is closer to sea level?
–15, –11, 2, 5
–3, 4, 7
Insert Lesson Title Here
< <
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9-2 Comparing and Ordering Integers
the location at –752 feet