8/13/2019 Pre Algebra Lesson 2 3

1/20

Comparing and Ordering

Objective: Compare and order integers

8/13/2019 Pre Algebra Lesson 2 3

2/20

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)

8/13/2019 Pre Algebra Lesson 2 3

3/20

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

8/13/2019 Pre Algebra Lesson 2 3

4/20

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

8/13/2019 Pre Algebra Lesson 2 3

5/20

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

8/13/2019 Pre Algebra Lesson 2 3

6/20

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

8/13/2019 Pre Algebra Lesson 2 3

7/20

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

8/13/2019 Pre Algebra Lesson 2 3

8/20

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

8/13/2019 Pre Algebra Lesson 2 3

9/20

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

8/13/2019 Pre Algebra Lesson 2 3

10/20

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

8/13/2019 Pre Algebra Lesson 2 3

11/20

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.

8/13/2019 Pre Algebra Lesson 2 3

12/20

Quiz1. Write two inequalities that show how the highest and lowest

temperatures in example 2 are related.

8/13/2019 Pre Algebra Lesson 2 3

13/20

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.

8/13/2019 Pre Algebra Lesson 2 3

14/20

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.

8/13/2019 Pre Algebra Lesson 2 3

15/20

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.

8/13/2019 Pre Algebra Lesson 2 3

16/20

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*.

8/13/2019 Pre Algebra Lesson 2 3

17/20

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

8/13/2019 Pre Algebra Lesson 2 3

18/20

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

8/13/2019 Pre Algebra Lesson 2 3

19/20

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.

8/13/2019 Pre Algebra Lesson 2 3

20/20

Assignment:16 42 Even, 44 53 all