1. Course 2, Lesson 4-2 Write each fraction or mixed number as a decimal. Use bar notation if the decimal is a repeating decimal. 1. 2. 3. Write each decimal as a fraction or mixed number in simplest form. 4. 1.2 5. 0.15 6. What is 2.65 as a fraction in simplest form?

2. Course 2, Lesson 4-2 ANSWERS 1. 2.6 2. 0.625 3. 4. 5. 6.

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

4. To compare rational numbers To order rational numbers Course 2, Lesson 4-2 The Number System

5. Course 2, Lesson 4-2 The Number System rational number common denominator least common denominator

6. Course 2, Lesson 4-2 Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. The Number System

7. Course 2, Lesson 4-2 Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. The Number System

8. Course 2, Lesson 4-2 Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. The Number System

9. Course 2, Lesson 4-2 Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. The Number System

10. Course 2, Lesson 4-2 Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. The Number System

11. Course 2, Lesson 4-2 Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. The Number System

12. Course 2, Lesson 4-2 Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. The Number System

13. Course 2, Lesson 4-2 Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. The Number System

14. Course 2, Lesson 4-2 Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. The Number System

15. Course 2, Lesson 4-2 Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. The Number System

16. Course 2, Lesson 4-2 Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. The Number System

17. Course 2, Lesson 4-2 Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. The Number System

18. Course 2, Lesson 4-2 Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.

19. The Number System

20. Course 2, Lesson 4-2 Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. The Number System

21. Course 2, Lesson 4-2 Common Core State Standards © Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. The Number System

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

23. How did what you learned today help you answer the WHAT happens when you add, subtract, multiply, and divide fractions? Course 2, Lesson 4-2 The Number System Sample answers: In this lesson I learned to graph rational numbers on a number line, find common denominators when comparing fractions, and use place value when ordering rational numbers.

24. Explain how you would compare each pair of fractions. and and Ratios and Proportional RelationshipsThe Number System Course 2, Lesson 4-2