1. Course 2, Lesson 4-3 Replace each with, or = to make a true statement. Use a number line if necessary. 1.2. 3.4. List each set of numbers in order from least to greatest. 5. 0.75,, 65%6. −3.55, −3.46, 7. In one litter of kittens, 2 out of 5 were male. In a second litter, 4 out of 6 were male. Which litter had the greater percent of male kittens?

2. Course 2, Lesson 4-3 ANSWERS 1. > 2. < 3. > 4. = 5. 65%,, 0.75 6. –3.55,, –3.46 7. Litter 2

3. WHAT happens when you add, subtract, multiply, and divide fractions? The Number System Course 2, Lesson 4-3

4. To add like fractions To subtract like fractions Course 2, Lesson 4-3 The Number System

5. Course 2, Lesson 4-3 The Number System like fractions

6. Course 2, Lesson 4-3 The Number System WordsTo add or subtract like fractions, add or subtract the numerators and write the result over the denominator. ExamplesNumbers Algebra

7. Course 2, Lesson 4-3 The Number System

8. Course 2, Lesson 4-3 The Number System

9. Course 2, Lesson 4-3 The Number System

10. Course 2, Lesson 4-3 The Number System

11. Course 2, Lesson 4-3 The Number System

12. Course 2, Lesson 4-3 The Number System

13. Course 2, Lesson 4-3 The Number System

14. Course 2, Lesson 4-3 The Number System

15. Course 2, Lesson 4-3 The Number System

16. Course 2, Lesson 4-3 The Number System

17. Course 2, Lesson 4-3

19. How did what you learned today help you answer the WHAT happens when you add, subtract, multiply, and divide fractions? Course 2, Lesson 4-3 The Number System

20. How did what you learned today help you answer the WHAT happens when you add, subtract, multiply, and divide fractions? Course 2, Lesson 4-3 The Number System Sample answer: When you add or subtract like fractions, add or subtract the numerators. Then, write the result over the denominator.

21. The next lesson is about adding and subtracting fractions with unlike denominators. How do you think what you learned in this lesson will connect with the next lesson? Course 2, Lesson 4-3 Ratios and Proportional RelationshipsThe Number System