1. Splash Screen

2. Five-Minute Check (over Lesson 4–5) Main Idea and Vocabulary
Key Concepts: Compare Two Fractions
Example 1: Compare Fractions
Example 2: Compare Mixed Numbers
Example 3: Order Fractions
Example 4: Compare Fractions to Solve a Problem
Lesson Menu

3. Compare and order fractions.
least common denominator (LCD)
Main Idea/Vocabulary

4. KC1

5. Replace the ● with <, >, or = to make a true sentence.
Compare Fractions
Replace the ● with <, >, or = to make a true sentence.
Step 1 The LCM of the denominators, 21 and 7, is So, the LCD is 21.
Step 2 Write an equivalent fraction with a denominator of 21 for each fraction. ×1 ×3
Example 1

6. Compare Fractions
Step 3
Answer:
Example 1

7. Replace the ● with <, >, or = to make a true sentence.
B. >
C. = A B C
Example 1

8. Replace the ● with <, >, or = to make a true sentence.
Compare Mixed Numbers
Replace the ● with <, >, or = to make a true sentence.
Since the whole numbers are the same, compare
Step 1 The LCM of the denominators, 3 and 6, is 6. So, the LCD is 6.
Example 2

9. Compare Mixed Numbers
Step 2 Write an equivalent fraction with a denominator of 6 for each fraction. ×2 ×1
Step , since 2 = 2.
Answer:
Example 2

10. Replace the ● with <, >, or = to make a true sentence.
B. >
C. = A B C
Example 2

11. Order the fractions and from least to greatest.
Order Fractions
Order the fractions and from least to greatest.
The LCD of the fractions is 15. So, rewrite each fraction with a denominator of 15. ×5 ×3 ×1 ×3
Example 3

12. Order Fractions
Answer:
Example 3

13. A. B. C. D. A B C D
Example 3

14. Compare Fractions to Solve a Problem
According to the table, how is most land in the United States used?
A as arable land
B as permanent pastures
C as forest and woodland
D B and C are equal.
Example 4

15. Compare Fractions to Solve a Problem
Read the Item
You need to compare the fractions.
Solve the Item
Rewrite the fractions with the LCD, 100. ×1
×25
×10 ×2
Answer: C
Example 4

16. A. lengthen the school year B. shorten the school year
According to the survey data, what did most people say should be done with the length of the school year?
A. lengthen the school year
B. shorten the school year
C. keep the length the same
D. A and B are equal. A B C D
Example 4

17. End of the Lesson
End of the Lesson

18. Five-Minute Check (over Lesson 4–5) Image Bank Math Tools
Animation Menu
Greatest Common Factor
Resources

19. 4-2 Equivalent Fractions 4-9 Ordered Pairs and Functions
Animation Menu

20. Find the LCM of 2 and 4. A. 2 B. 4 C. 6 D. 8 (over Lesson 4-5) A B C D
Five Minute Check 1

21. Find the LCM of 12 and 8. A. 4 B. 8 C. 12 D. 24 (over Lesson 4-5) A B
Five Minute Check 2

22. Find the LCM of 10 and 25. A. 50 B. 25 C. 5 D. 2 (over Lesson 4-5) A B
Five Minute Check 3

23. Find the LCM of 14 and 21. A. 6 B. 7 C. 28 D. 42 (over Lesson 4-5) A B
Five Minute Check 4

24. Find the LCM of 4, 9, and 12. A. 9 B. 12 C. 36 D. 72 (over Lesson 4-5)
Five Minute Check 5

25. (over Lesson 4-5)
One street light flashes every 6 seconds and another flashes every 4 seconds. If they just flashed at the same time, how many seconds will go by until they flash at the same time again?
A. 4 seconds
B. 6 seconds
C. 8 seconds
D. 12 seconds A B C D
Five Minute Check 6

26. End of Custom Shows