Addition and Subtraction With Fractions

Videos on Fractions:






Unit 5 Lesson 1 - Build Unit Fractions

Lesson Objectives:
1. Build other fractions from unit fractions.

2. Add like fractions.

3. Express information from pictures, stories, and data formats as fractions.

Unit 5 Lesson 1 pg. 179 Parts and Wholes.wmv
Unit 5 Lesson pg. 180 Lesson 1 Practice with Fractions.wmv


Unit 5 Lesson 2 - Compare Fractions

Lesson Objectives:
1. Compare unit fractions and fractions with like denominators.

2. Express and refine comparative concepts.

3. Apply greater (>) and less than (<) notation.

Unit 5 Lesson 2 pg. 184 Compare unequal fractions.wmv

Numerator and Denominator Video Link:


Comparing Fractions Video:

Mathplayground Video Link: http://www.mathplayground.com/howto_comparefractions.html

Unit 5 Lesson 3 - Subtract Fractions

Lesson Objectives:
1. Subtract like fractions and mixed numbers.

2. Understand simple algebraic notation and fractions.

3. Solve problems with algebraic notation.

Unit 5 Lesson 3 pg. 185 and 186 Find unknow numerators and denominators.wmv

Mathplayground Video Link: http://www.mathplayground.com/howto_comparefractions.html

Unit 5 Lesson 4 - Fractional Addends of One

Lesson Objectives:
1. Practice adding and subtracting fractions, with like denominators

2. Build fractions from unit fractions, and identify how many more it will take to make one whole.

Unit 5 Lesson 4 pgs 187 and 188 Addends in Real Life.wmv

Unit 5 Lesson 5 - Relate Fractions and Wholes

Lesson Objectives:
1. Understand that the size of a fraction depends on the size of the whole.

2. Solve and explain open-ended word problems that relate fractions and wholes.


Unit 5 Lesson 6 - Fractions Greater Than One

Lesson Objectives:
1. Represent improper fractions and mixed numbers.

2. Convert between improper fractions with mixed numbers.

3. Apply the terms improper fraction and mixed number.






Unit 5 Lesson 7 - Add Fractions Greater than One

Lesson Objectives:
1. Add mixed numbers, applying quick methods when appropriate.

2. Read and represent mixed numbers on calibrated lines and rulers.

Unit 5 Lesson 7 pg. 191 Represent and add mixed numbers.wmv

Unit 5 Lesson 8 - Subtract Mixed Numbers

Lesson Objectives:
1. Subtract mixed numbers with a like denominators.

2. Ungroup the first mixed number in a subtraction problem when necessary.

3. Explain student-generated methods to the class.

Unit 5 Lesson 8 pg. 193 Subtract Mixed Numbers.wmv

Unit 5 Lesson 9 - Comparison Situations

Lesson Objectives:
1. Compare the size of two like fractions or mixed numbers, and use subtraction to determine the exact difference.

2. Construct a chart of comparative measurements.

Unit 5 Lesson 10 - Mixed Practice with Like Fractions

Lesson Objectives:
1. Consolidate understanding of addition and subtraction with like fractions.

2. Express the main concept of adding and subtracting like fractions.

Unit 5 Lesson 11 - Discover Equivalent Fractions

Lesson Objectives:
1. Generate and explain simple equivalent fractions.

2. Understand and apply the terms equivalent fraction and simplify.
Unit 5 Lesson 11 Simplify and Unsimplify.wmv


Unit 5 Lesson 12 - Equivalent Fractions and Multipliers

Lesson Objectives:
1. Understand the role of the multiplier in equivalent fractions.

2. Simplify and unsimplify common fractions.

Unit 5 Lesson 13 - Solve Equivalence Problems

Lesson Objectives:
1. Generate and simplify fractions in real-world contexts.

Unit 5 Lesson 14 - Add and Subtract Unlike Fractions

Lesson Objectives:
1. Add and subtract fractions with unlike denominators.

2. Apply the terms common denominator and least common denominator.
Unit 5 Lesson 14 pg. 207 Add Like Fractions.wmv




Unit 5 Lesson 15 - Solve with Unlike Mixed Numbers

Lesson Objectives:
1. Consolidate understanding of equivalent fractions and operations with unlike fractions.

2. Express the main concept of equiv alent fractions in writing, and refine it through class discussion.

Unit 5 Lesson 16 - Practice with Unlike Mixed Numbers

Lesson Objectives:
1. Consolidate understanding of equivalent fractions and operations with unlike fractions.

2. Express the main concept of renaming and ungrouping fractions.


Unit 5 Lesson 17 - Probability and Equivelant Fractions

Lesson Objectives:
1. Apply the language of probability.

2. Solve probability situations by finding fractional equivelants.
Unit 5 Lesson 17 Probability and Equivalent Fractions pg. 213 and 214.wmv
Unit 5 Lesson Lesson 17 pages 215 and 216.wmv

Video on Probability:
http://www.brainpop.com/math/probability/basicprobability/
Website Link about Probability:
http://jmathpage.com/JIMSProbabilitypage.html

Unit 5 Lesson 18 - Fraction and Decimal Equivalencies

Lesson Objectives:
1. Recognize equivalent fractions and decimals.

2. Identify patterns of fractions and decimals.
Unit 5 Lesson 18 pg. 217 Fraction and Decimal Relationships.wmv

Unit 5 Lesson 19 - Compare and Order Fractions and Decimals

Lesson Objectives:
1. Use patterns and strategies to compare and order fractions and decimals.
Unit 5 Lesson 19 pg. 221 and 222 Compare and Order Fractions and Decimals.wmv

http://www.bbc.co.uk/skillswise/numbers/fractiondecimalpercentage/fractions/comparingfractions/game.shtml
http://www.sheppardsoftware.com/mathgames/fractions/Balloons_fractions1.htm


Unit 5 Lesson 20 - Different Ways to Estimate

Lesson Objectives:
1. Use a variety of methods to estimate sums and differences of fractions, mixed numbers, and decimals.

Unit 5 Lesson 21 - Use Mathematical Processes

Lesson Objectives:
1. Solve a variety of problems, using mathematical concepts and skills.

2. Use the mathematical processes of problem solving, connections, reasoning and proof, communication, and representation.