Operations with Fractions Unit Planning Team: Traci Rhoades (RG), Paige Brown (NS), Brooke Bradley (LW), Stacy Dustman (ET), Pam Keith (ET) 5 th Grade.

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Presentation transcript:

Operations with Fractions Unit Planning Team: Traci Rhoades (RG), Paige Brown (NS), Brooke Bradley (LW), Stacy Dustman (ET), Pam Keith (ET) 5 th Grade Unit 4

Essential Questions How can I apply and extend my understanding of operations with whole numbers to operations with fractions and mixed numbers including real-world situations? How can understanding multiplication as scaling help me reason abstractly about their products?

Identify and CLARIFY the STANDARDS **Highlighted standards are new this unit. NF.4 a: This standard is new. Now the number of groups is a fractional amount, not just a whole number of groups. Fraction times a whole number and fraction times a fraction. NF.5 : This idea continues from 4 th grade multiplicative comparison. NF.1 and NF.2: students had experiences in Unit 2 through their work with equal sharing and multiple groups problems.

Identify and CLARIFY the STANDARDS **Highlighted standards are new this unit. 5.NF. 7a: This standard is new and addresses a unit fraction (1/2, 1/3, 1/7…) divided by a whole number. NF.7 b continues from Unit 2 Whole number divided by a unit fraction

Big Ideas for Unit 4: Fractions: In and out of context Multiply fractions (including mixed numbers): NF.4, NF.5, NF.6 Unit 2: whole number X fraction Unit 4: fraction X whole number fraction X fraction area problems scaling idea Dividing fractions: (NF.7) Unit 2: Whole number divided by unit fraction Unit 4: Unit fraction divided by whole number Add/Subtract fractions: (NF.1, NF.2) with like and unlike denominators Unit 2: experiences through equal sharing and multiple groups problems Unit 4: Continued experiences through equal sharing and multiple groups problems PLUS equivalency problems and addition and subtraction problem types (MD.2: solve fraction problems involving information presented in line plots) Whole Number Operations : (NBT.5, NBT.6) When solving multiplication and division problems involving fractions, whole number sets can be included as well as decimal number sets.

Whole Number Operations Multi-Digit Division with up to four-digit dividends and two-digit divisors 5.NBT.6 Multi-Digit Multiplication 5.NBT.5 Problem Type Charts

Equal Sharing Problems: ECM Chapter 1  Number of objects is greater than the number of sharers – resulting in a mixed number  Number of sharers is greater than the number of objects Examples of both types are in ECM p NF.1 and NF.2 Addition/Subtraction of fractions and equivalency ideas will come out in equal sharing problems as well. 5.NF.7b,c 5.NF.1 5.NF.2 Multiple Groups Problems: ECM Chapter 3 Number of groups is a whole number and number in each group is a fraction or mixed number  Multiplication: Whole number times a unit fraction 24 x ¼ = n  Measurement Division: unit fraction n x ¼ = 6  Multiplication: Whole number times a non-unit fraction 8 x ¾ = n  Measurement Division: non-unit fraction n x ¾ = 6 Examples of all Multiple Groups problems are in ECM p NF.1 and NF.2 Addition/Subtraction of fractions and equivalency ideas will come out multiple groups problems as well. 5.NF.4 b 5.NF.6 5.NF.7c 5.NF.1 5.NF.2 Partial Groups Problems: ECM Chapter 8 Number of groups is a fraction (including mixed numbers) and number in each group is a whole number or fraction (including mixed numbers) 5 th grade standards only call for dividing unit fractions by whole numbers and whole numbers by unit fractions  Multiplication: 2 / 3 x 4 = n and 2 / 3 x 3 / 4 = n Examples in ECM p. 212  Measurement Division: n x ¼ = 4 ½ Examples in ECM p  Partitive Division: ¼ x n = 4 ½ Examples in ECM p  Multiplication and Division equations without context using naked number sentences Examples in ECM p NF.4a,b 5.NF.6 5.NF.7a,c Base Ten Ideas: ECM Chapter 7  Power of ten understanding  Multiplication and Measurement Division problems Examples of problems are in ECM p NBT.1 5.NBT2 5.NBT.3 5.NBT.4 5.MD.1 Decimal Operations: ECM Chapter 8  Addition, subtraction, multiplication, and division in context using story problems  Addition, subtraction, multiplication, and division equations - no context Examples of problems are in ECM p NBT.7 Fraction equivalence, fraction order and fraction comparison ideas are interwoven throughout. See ECM Chapter 6 for ways to build these ideas. Examples on p Adding and Subtracting Fractions: ECM Chapter 8  In context, using story problems Examples p  Equations without context using naked number sentences - Examples p NF.1 5.NF.2

DIVIDE the unit into weeks and DISTRIBUTE the standards Week StandardsStructure/Resources 1 5.NF.1 and 5.NF.2: students will be adding and subtracting fractions when solving equal sharing/multiple groups problems but NF.1 and NF.2 will be directly addressed through problems later in the quarter 5.NF.7b 5.NF.7c 5.NF.4b 5.NF.6 Equal Sharing/ Multiple Groups Problems (pg ECM Book) Include whole numbers in problems to continue to address NBT. 5 and NBT.6 Number Talks : Supplemental Number Talks for Unit 4 Supplemental Number Talks for Unit 4 with Mixed Numbers Fractions and Decimals 2 5.NF.1 and 5.NF.2: students will be adding and subtracting fractions when solving equal sharing/multiple groups problems but NF.1 and NF.2 will be directly addressed through problems later in the quarter 5.NF.7b 5.NF.7c 5.NF.4b 5.NF.6 Equal Sharing/ Multiple Groups Problems (pg ECM Book) Include whole numbers in problems to continue to address NBT. 5 and NBT.6 Number Talks : Supplemental Number Talks for Unit 4Supplemental Number Talks for Unit 4 Supplemental Number Talks for Unit 4 with Mixed Numbers Supplemental Number Talks for Unit 4 with Mixed Numbers Fractions and Decimals

Week StandardsStructure/Resources 3 5.NF.1 and 5.NF.2 : students will be adding and subtracting fractions when solving equal sharing/multiple groups problems but NF.1 and NF.2 will be directly addressed through problems later in the quarter 5.NF.7b 5.NF.7c 5.NF.4b 5.NF.6 Equal Sharing/ Multiple Groups Problems (pg ECM Book) Include whole numbers in problems to continue to address NBT. 5 and NBT.6 Number Talks: Fractions and Decimals Supplemental Number Talks for Unit 4 Supplemental Number Talks for Unit 4 with Mixed Numbers DIVIDE the unit into weeks and DISTRIBUTE the standards 4 5.NF.1 5.NF.2 5.NF.7b 5.NF.7c 5.NF.4b 5.NF.6 5.NF.5 Equivalence Problems from (Chapter 6 ECM) These types of problems are necessary to build idea of equivalence which is important before adding and subtracting fractions Tasks addressing 5.NF.5 Running a Mile Comparing a Number and a Product Comparing Products Comparing a Number and a Product parts a-h Calculator Trouble Fundraising Grass Seedlings Reasoning about Multiplication Half a Recipe Making Cookies Running a Mile Comparing a Number and a Product Comparing Products Comparing a Number and a Product parts a-h Calculator Trouble Fundraising Grass Seedlings Reasoning about Multiplication Half a Recipe Making Cookies Number Talks: Fractions and Decimals Supplemental Number Talks for Unit 4Supplemental Number Talks for Unit 4 Supplemental Number Talks for Unit 4 with Mixed Numbers Supplemental Number Talks for Unit 4 with Mixed Numbers

Week StandardsStructure/Resources 5 5.NF.1 5.NF.2 5.NF.7b 5.NF.7c 5.NF.4b 5.NF.6 5.NF.5 Equivalence Problems from (Chapter 6 ECM) These types of problems are necessary to build idea of equivalence which is important before adding and subtracting fractions Tasks addressing 5.NF.5 Running a Mile Comparing a Number and a Product Comparing Products Comparing a Number and a Product parts a-h Calculator Trouble Fundraising Grass Seedlings Reasoning about Multiplication Half a Recipe Making Cookies Running a Mile Comparing a Number and a Product Comparing Products Comparing a Number and a Product parts a-h Calculator Trouble Fundraising Grass Seedlings Reasoning about Multiplication Half a Recipe Making Cookies Number Talks: Fractions and Decimals Supplemental Number Talks for Unit 4Supplemental Number Talks for Unit 4 Supplemental Number Talks for Unit 4 with Mixed Numbers Supplemental Number Talks for Unit 4 with Mixed Numbers DIVIDE the unit into weeks and DISTRIBUTE the standards 6 5.NF.1 5.NF.2 Adding and Subtracting Fraction Problems ( ECM pg ) Include decimal number sets when posing these problems to keep students thinking about decimal operations Number Talks Supplemental Number Talks for Unit 4Supplemental Number Talks for Unit 4 Supplemental Number Talks for Unit 4 with Mixed Numbers Supplemental Number Talks for Unit 4 with Mixed Numbers

Week StandardsStructure/Resources 7 5.NF.1 5.NF.2 Adding and Subtracting Fraction Problems ( ECM pg ) Include decimal number sets when posing these problems to keep students thinking about decimal operations Number Talks Supplemental Number Talks for Unit 4Supplemental Number Talks for Unit 4 Supplemental Number Talks for Unit 4 with Mixed Numbers Supplemental Number Talks for Unit 4 with Mixed Numbers DIVIDE the unit into weeks and DISTRIBUTE the standards

8 5.NF.1 5.NF.2 Adding and Subtracting Fraction Problems (ECM pg ) Include decimal number sets when posing these problems to keep students thinking about decimal operations Number Talks Supplemental Number Talks for Unit 4Supplemental Number Talks for Unit 4 Supplemental Number Talks for Unit 4 with Mixed Numbers Supplemental Number Talks for Unit 4 with Mixed Numbers 9 5.NF.1 5.NF.2 5.NF.4a 5.NF.4b: area 5.NF.6 5.NF.7a 5.NF.7c 2 Days: Adding and Subtracting Fractions(ECM pg ) Include decimal number sets when posing these problems to keep students thinking about decimal operations 3 Days: Partial Groups Problems (ECM Book pg ) **Include area problems and whole numbers for NBT.5 and NBT.6 Number Talks: Week StandardsStructure/Resources

Gather and study the RESOURCES

Options for Assessment – available online for Unit 4 Make or locate SUMMATIVE and PERFORMANCE ASSESSMENTS

Plan DAILY LESSONS Incorporate TECHNOLOGY

RESOURCES Beth Pesnell Elementary Curriculum Specialist