1. Splash Screen

2. Five-Minute Check (over Lesson 3–4) NGSSS Then/Now New Vocabulary
Key Concept: Adding Like Fractions
Example 1: Add Fractions
Example 2: Add Mixed Numbers
Key Concept: Subtracting Like Fractions
Example 3: Subtract Fractions
Example 4: Subtract Mixed Numbers with Regrouping
Example 5: Real-World Example: Subtract Mixed Numbers
Example 6: Add or Subtract Algebraic Fractions
Lesson Menu

3. A. B. C.
D. 55 A B C D
5-Minute Check 1

4. Write in simplest form. A. B. C. D. A B C D
5-Minute Check 2

5. Write in simplest form.
A. –16 B. C.
D. 16 A B C D
5-Minute Check 3

6. A. B. C. D. A B C D
5-Minute Check 4

7. A. 6
B. 12
C. 18
D. 24 A B C D
5-Minute Check 5

8. A. B. C. D. A B C D
5-Minute Check 6

9. MA.7.A.3.2 Add, subtract, multiply, and divide integers, fractions, and terminating decimals, and perform exponential operations with rational bases and whole number exponents including solving problems in everyday contexts.
MA.8.A.6.4 Perform operations on real numbers (including integer exponents, radicals, percents, scientific notation, absolute value, rational numbers, and irrational numbers) using multi-step and real-world problems.
NGSSS

10. Add rational numbers with common denominators.
You have already added and subtracted positive fractions with like denominators. (Previous Course)
Add rational numbers with common denominators.
Subtract rational numbers with common denominators.
Then/Now

11. like fractions
Vocabulary

12. Concept

13. The denominators are the same. Add the numerators.
Add Fractions
in simplest form. A.
Estimate = 2
The denominators are the same. Add the numerators.
Simplify and rename as a mixed number.
Compared to the estimate, the answer is reasonable.
Answer:
Example 1

14. The denominators are the same. Add the numerators.
Add Fractions B.
The denominators are the same. Add the numerators.
Simplify.
Example 1

15. Check for Reasonableness 
Add Fractions
Check for Reasonableness 
Example 1

16. A. A. B. C. D. A B C D
Example 1

17. B.
Write in simplest form. A. B. C. D. A B C D
Example 1

18. Add the whole numbers and fractions separately.
Add Mixed Numbers
Add the whole numbers and fractions separately.
Add the numerators.
Simplify.
Answer:
Example 2

19. A. B. C. D. A B C D
Example 2

20. Concept

21. The denominators are the same. Subtract the numerators.
Subtract Fractions
The denominators are the same. Subtract the numerators.
Simplify.
Answer:
Check for Reasonableness 
Example 3

22. A. B. C. D. A B C D
Example 3

23. Subtract the whole numbers and then the fractions.
Subtract Mixed Numbers with Regrouping
Subtract the whole numbers and then the fractions.
Answer:
Example 4

24. A. B. C. D. A B C D
Example 4

25. Understand You need to know how many pounds of apples she has left.
Subtract Mixed Numbers
Understand You need to know how many pounds of apples she has left.
Plan Subtract the apples used from the total number of apples.
Estimate
Example 5

26. Subtract the whole numbers and then the fractions.
Subtract Mixed Numbers
Solve
Rename.
Subtract the whole numbers and then the fractions.
Simplify.
Example 5

27. Subtract Mixed Numbers
Example 5

28. A B C D
A. B.
C. D.
Example 5

29. The denominators are the same. Add the numerators.
Add or Subtract Algebraic Fractions
The denominators are the same. Add the numerators.
Simplify.
Answer:
Example 6

30. A. B. C. D. A B C D
Example 6

31. End of the Lesson

32. End of Custom Shows