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8/13/2019 Pre Algebra Lesson 2 3
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Comparing and Ordering
Objective: Compare and order integers
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5-Minute Check
Place the coordinates on the graph labeling each point. Name the quadrant in which each point is located.
1. B(1, -3)2. N(-4, 2)3. E(0, -2)4. W(2, 0)
5. R(-3, -4)
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2-3 Comparing and Ordering
Standard notation: Values increase as you move to the right on a number line.
lessor greater
0-1-2-3 7-6 3 4 5 6-4-5 1 2
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2-3 Comparing and Ordering
Standard notation: Values increase as you move to the right on a number line.
lessor greater
0-1-2-3 7-6 3 4 5 6-4-5 1 2
Symbols Say Write
Greater than > Five is greater than three 5 > 3
Less than < Three is less than five 3 < 5
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2-3 Comparing and Ordering
ExampleUse the integers graphed on the number line below for each question.
a. Write two inequalities involving 3 and 2.
b. State which number is greater.
0-1-2-3 7-6 3 4 5 6-4-5 1 2
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2-3 Comparing and Ordering
ExampleUse the integers graphed on the number line below for each question.
c. Write two inequalities involving -6 and 1.
d. State which number is greater.
0-1-2-3 7-6 3 4 5 6-4-5 1 2
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2-3 Comparing and Ordering
ExampleUse the integers graphed on the number line below for each question.
e. Write two inequalities involving -4 and 4.
f. State which number is greater.
0-1-2-3 7-6 3 4 5 6-4-5 1 2
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2-3 Comparing and Ordering
ExampleUse the integers graphed on the number line below for each question.
g. Write two inequalities involving 3 and 2.
h. State which number is greater.
0-1-2-3 7-6 3 4 5 6-4-5 1 2
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2-3 Comparing and Ordering
ExampleUse the integers graphed on the number line below for each question.
i. Write two inequalities involving 5 and 1.
j. State which number is greater.
0-1-2-3 7-6 3 4 5 6-4-5 1 2
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2-3 Comparing and Ordering
ExampleUse the integers graphed on the number line below for each question.
k. Write two inequalities involving -5 and -1.
l. State which number is greater.
0-1-2-3 7-6 3 4 5 6-4-5 1 2
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Quiz TimePanic Time
Stress Time
Please put away your books. Face the front of theclassroom. Take out a piece of paper. You may have one 3x 5 note card. This is not a partner quiz. It is anindividual effort quiz. Rulers are available for the numberlines.
Fine print disclaimer: Not taking this quiz may be detrimental to your grade.
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Quiz1. Write two inequalities that show how the highest and lowest
temperatures in example 2 are related.
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Quiz1. Write two inequalities that show how the highest and lowest
temperatures in example 2 are related.
2. List the integers graphed on the number line from least to greatest.
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Quiz1. Write two inequalities that show how the highest and lowest
temperatures in example 2 are related.
2. List the integers graphed on the number line from least to greatest.
3. Graph two integers on a number line. Then write two inequalitiesthat show how the integers are related.
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Quiz1. Write two inequalities that show how the highest and lowest
temperatures in example 2 are related.
2. List the integers graphed on the number line from least to greatest.
3. Graph two integers on a number line. Then write two inequalitiesthat show how the integers are related.
4. Write a sentence that explains how to determine when one integeris less than another integer.
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Quiz1. Write two inequalities that show how the highest and lowest
temperatures in example 2 are related.
2. List the integers graphed on the number line from least to greatest.
3. Graph two integers on a number line. Then write two inequalitiesthat show how the integers are related.
4. Write a sentence that explains how to determine when one integeris less than another integer.
5. Write an inequality using the numbers in this sentence. 2* iswarmer than 5*.
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Quiz1. Write two inequalities that show how the highest and lowest
temperatures in example 2 are related.
2. List the integers graphed on the number line from least to greatest.
3. Graph two integers on a number line. Then write two inequalitiesthat show how the integers are related.
4. Write a sentence that explains how to determine when one integeris less than another integer.
5. Write an inequality using the numbers in this sentence. 2* iswarmer than 5*.
6. Replace the @ with , or =.
a. -19 @ -9
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Quiz1. Write two inequalities that show how the highest and lowest
temperatures in example 2 are related.
2. List the integers graphed on the number line from least to greatest.
3. Graph two integers on a number line. Then write two inequalitiesthat show how the integers are related.
4. Write a sentence that explains how to determine when one integeris less than another integer.
5. Write an inequality using the numbers in this sentence. 2* iswarmer than 5*.
6. Replace the @ with , or =.
a. -19 @ -9
b. |-4| @ 4
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Quiz1. Write two inequalities that show how the highest and lowest
temperatures in example 2 are related.
2. List the integers graphed on the number line from least to greatest.
3. Graph two integers on a number line. Then write two inequalitiesthat show how the integers are related.
4. Write a sentence that explains how to determine when one integeris less than another integer.
5. Write an inequality using the numbers in this sentence. 2* iswarmer than 5*.
6. Replace the @ with , or =.
a. -19 @ -9
b. |-4| @ 4
7. Order the integers {43, 0, -9, -4, 3, -88, 234} from least to greatest.
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Assignment:16 42 Even, 44 53 all