Post on 18-Jan-2016
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?
325
19
58
Course 2, Lesson 4-2
ANSWERS
1. 2.6
2. 0.625
3.
4.
5.
6.
0.1
11
5320
132
20
WHAT happens when you add,subtract, multiply, and divide
fractions?
The Number System
Course 2, Lesson 4-2
•To compare rational numbers•To order rational numbers
Course 2, Lesson 4-2
The Number System
Course 2, Lesson 4-2
The Number System
•rational number•common denominator•least common denominator
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
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
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
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
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
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
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
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
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
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
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
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
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.
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
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
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
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
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.
Explain how you would compare
each pair of fractions.
and
and
Ratios and Proportional Relationships
The Number System
38
318
56
522
Course 2, Lesson 4-2