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- 5.NF.A.1Add and subtract fractions with unlike denominators (including mixed numbers) by replacing given fractions with equivalent fractions in such a way as to produce an equivalent sum or difference of fractions with like denominators. For example, 2/3 + 5/4 = 8/12 + 15/12 = 23/12. (In general, a/b + c/d = (ad + bc)/bd.)
- 5.NF.A.2Solve word problems involving addition and subtraction of fractions referring to the same whole, including cases of unlike denominators, e.g., by using visual fraction models or equations to represent the problem. Use benchmark fractions and number sense of fractions to estimate mentally and assess the reasonableness of answers. For example, recognize an incorrect result 2/5 + 1/2 = 3/7 by observing that 3/7 < 1/2.

5.NF.A.2

Solve word problems involving addition and subtraction of fractions referring to the same whole, including cases of unlike denominators, e.g., by using visual fraction models or equations to represent the problem. Use benchmark fractions and number sense of fractions to estimate mentally and assess the reasonableness of answers. For example, recognize an incorrect result 2/5 + 1/2 = 3/7 by observing that 3/7 < 1/2.

Problem Solving (Different Operations with Fractions)

5th Grade Math

Â» Unit:

Multiplying and Dividing Fractions

Big Idea:Students put their fraction skills to use to solve problems involving addition, subtraction, and multiplication of fractions.

Fractions: Reviewing the Basics

5th Grade Math

Â» Unit:

Adding and Subtracting Fractions

Big Idea:Students have fun with fractions as they connect with prior knowledge of equivalent / simplify / estimation of solutions.

Adding and Subtracting Fractions Day 1

6th Grade Math

Â» Unit:

Fraction Operations

Big Idea:If Ashley ate Â½ pizza, Tatyana ate 1/3 of a pizza, and Tiffany ate 5/8 of a pizza, how much pizza did they eat altogether? Whatâs the smallest number of pizzas they ordered? How much was left? Students work to develop strategies for adding and subtracti

What Fraction of the Section Does Each Person Own?

6th Grade Math

Â» Unit:

Fraction Operations

Big Idea:What fraction of the section of land does each person own? Students use an area model of farmland to determine how much land each person owns.

Adding and Subtracting Fractions Day 2

6th Grade Math

Â» Unit:

Fraction Operations

Big Idea:How would you add 2 Â½ and 2/3? How would you find the difference between 2 Â½ and 2/3? Students continue to develop strategies for adding and subtracting fractions.

Looking for Patterns + Show What You Know

6th Grade Math

Â» Unit:

Fraction Operations

Big Idea:How would you solve 3 Â¼ - 1 5/6? What do students understand? What gaps do they have in their understanding? Students continue looking for patterns when they are adding and subtracting fractions and then they take a quiz.

Unit Test

6th Grade Math

Â» Unit:

Fraction Operations

Big Idea:What have students learned during this unit? What gaps do students have in their understanding? Students take the Unit 4 test.

Unit Review

6th Grade Math

Â» Unit:

Fraction Operations

Big Idea:What number sentence represents what is going on in this problem? Why? What kind of model could you create for this problem? Students review the skills they have learned throughout Unit 4.

Using Number Lines to Discover Benchmark Fractions

5th Grade Math

Â» Unit:

Adding and Subtracting Fractions

Big Idea:Benchmark Fractions help establish quantities, developing fraction number sense and judgment of the reasonableness of estimates.

Adding & Subtracting Fractions with Unlike Denominators (Centers)

5th Grade Math

Â» Unit:

Adding and Subtracting Fractions

Big Idea:During choice time, students have an opportunity to select the activities that will help to develop their mathematical fluency.

Fraction Cover Up

5th Grade Math

Â» Unit:

Fractions

Big Idea:Students need to concrete models be able to see the exchange of fractions with unlike denominators.

Why Fractions

5th Grade Math

Â» Unit:

Adding and Subtracting Fractions

Big Idea:I guess sheâs not crazy after all!

Adding/Subtracting Fractions Game

5th Grade Math

Â» Unit:

Adding and Subtracting Fractions

Big Idea:No fair, he has more than me!

Pattern Block Fractions

5th Grade Math

Â» Unit:

Adding and Subtracting Fractions

Big Idea:Iâll show you a whole!

Adding & Subtracting Mixed Numbers (Practice - Problem Solving)

5th Grade Math

Â» Unit:

Adding and Subtracting Mixed Numbers

Big Idea:Students put their knowledge of adding and subtracting to use to solve problems.

5.NF.A.1

Add and subtract fractions with unlike denominators (including mixed numbers) by replacing given fractions with equivalent fractions in such a way as to produce an equivalent sum or difference of fractions with like denominators. For example, 2/3 + 5/4 = 8/12 + 15/12 = 23/12. (In general, a/b + c/d = (ad + bc)/bd.)

5.NF.A.2

Solve word problems involving addition and subtraction of fractions referring to the same whole, including cases of unlike denominators, e.g., by using visual fraction models or equations to represent the problem. Use benchmark fractions and number sense of fractions to estimate mentally and assess the reasonableness of answers. For example, recognize an incorrect result 2/5 + 1/2 = 3/7 by observing that 3/7 < 1/2.