Video Walkthrough: Dividing by Fractions and Whole Numbers

This presentation features:

• Word problems involving dividing by fractions and whole numbers
• Problem solving strategies
• Pictorial Method
• Traditional Method (procedural)
• Inverse operation and reciprocal explained

Every day, Jeannette's mango juice stand uses 3/4 bags of mangoes. For how many days will 6 bags of Mangoes last?

At the end of the day, Frank's had 2/3 of a pizza left over. The 6 employees each took home the same amount of leftover pizza pie. How much pizza did each employee take home?

Video Walkthrough: Working with Fractions and Mixed Numbers (add, subtract, or multiply)

These videos feature:

• Working with mixed numbers and fractions
• You decide which operation to use
• LCM method
• Pictorial Method
• Array Method

Video Walkthrough: Subtracting Fractions Extended

This video features:

• Subtracting Fractions
• Story Problem
• LCM
• Array (dots) Method
• Problem Solving Strategies

As soon as Mr. Jones gets home from school, he feeds his baby boy. Ricky loves to eat his baby food. Mr. Jones used 3/4 of a jar of baby food while feeding baby Ricky. Ricky was having a little too much fun while eating. So, he ended up with one-tenth of the food on his face and bib. How much of the whole jar did Ricky eat?

Video Walkthrough: Multiplying Fractions Extended

This video features:

• Multiplying fractions
• Subtracting fractions
• Word problem format
• Problem solving strategies
• Traditional Method
• Array (dots) Method

Video Walkthrough: Multiplying Fractions and Whole Numbers Extended

This lesson features:

• Multiplying a fraction by a whole number (1/6 x 72)
• Story problem format
• Problem Solving Strategies
• Traditional Method
• Array (dots) Method

One-sixth of the Imaginary Institute's 72 faculty and staff members wore jeans on Friday. How many faculty and staff members wore jeans on Friday? How many faculty and staff members did not wear jeans on Friday?

Name That Fraction!

In this video, play along by trying to name the fractions that Mr. Marinich draws for you.  You will see:

• Pictorial examples of fractions and mixed numbers
• Draw and solve approach to testing knowledge of fractions and mixed numbers
• Example of reducing a fraction to lowest terms
• Converting an improper fraction to a mixed number

Have a question, comment, or suggestion?  Please send email to mrmarinich@gmail.com

Video Walkthrough: Packs of Paper Fraction Problem

This video features:

• Another word problem involving fractions
• Multiplying fractions and whole numbers
• Adding fractions
• Pictorial solution
• Division

Video Walkthrough: Four Methods of Multiplying Fractions

This lesson features:

• Different methods for solving 1/2 x 2/3
• Traditional Method
• Array Method
• Pictorial Method
• Grid Method

Video Walkthrough: Multiplying Fractions by Whole Numbers (Pizza by the Fraction...Mama Mia!)

This video walkthrough features:

• Multiplying fractions by whole numbers
• Multi-step problem solving
• Problem solving strategies
• Dividing decimals by whole numbers

Video Walkthrough: The Pizza Topping Fraction Problem

This video features:

• multi-step word problem involving fractions
• identifying fractions of a set
• problem solving strategies

The people who visit Mr. Marinich's Edu-Blog got together to have a pizza party. Use the clues below to decide what toppings are on each of their 16 pizzas.
Clues:
1. One fourth of the pizzas are just plain cheese.
2. One-third of the remaining pizzas have only pepperoni topping their pie.
3. One-fourth of the remaining pizzas have sausage and mushrooms.
4. Half of the remaining pizzas have ham and pineapple.
5. One-third of the remaining pizzas have mushrooms and black olives.
6. Half of the remaining pizzas have hamburger.
7. Half of the final pizza has anchovies and mushrooms, while the remaining half has bacon and green peppers.

Video Walkthrough: More Adding and Subtracting Fractions with Unlike Denominators

This video features:

• More examples of adding and subtracting fractions with unlike denominators
• LCM method
• Pictorial method
• Array Method
 

 

Video Walkthrough: Fractions on a Number Line

In today's video walkthrough you will see:

• Fractions between zero and one whole set on a number line
• A number line extended from zero through two which includes fractions and mixed numbers
• A visual comparison of fractions and their relationship with whole and mixed numbers

Subtracting Fractions with Unlike Denominators (Pictorial/Array vs. Traditional Method)

Video Walkthrough: Subtracting Fractions with Unlike denominators Part 1 features:

• Both pictorial and array solutions
• 1/2 - 1/4
• simplification of the difference 2/8=1/4

Video Walkthrough: Subtracting Fractions with Unlike denominators Part 2 features:

• Traditional Method of solving 1/2 - 1/4
• Multiples
• Using LCM (Least Common Multiple) to find a common denominator
• Why 1/4 = 2/8

New York State Core Curriculum 2011

Video Walkthrough: Adding and Subtracting Fractions with Unlike Denominators ( Pictorial Method vs. Traditional LCM Method)

This video features:

• Adding two fractions with unlike denominators
• Two pictorial solutions
• 1/2 + 1/4

This video takes a look at:

• The traditional Lowest Common Multiple (LCM) method of adding fractions with unlike denominators.
• 1/2  + 1/4 is solved.

Video Walkthrough: Adding and Subtracting Fractions With Like Denominators

This lesson features:

• adding and subtracting fractions with like denominators
• 1/3 +2/3, 7/9 -4/9, and 12/15+5/15
• mathematical solution
• 2 visual solutions for each

Adding and subtracting fractions 2011 New York State Core Curriculum

Video Walkthrough: 1/2 as a benchmark fraction

This lesson features:

• 1/2 as a benchmark fraction
• fractions equivalent to 1/2
• a comparison of 3/8, 28/46, 17/34, and 4/9 to 1/2

Video Walkthrough: Fractions as Part of a set or group - part 2

Today's lesson features

• fractions of a set where the denominator is different from the number of items in the set.
• Examples :  what is 1/3 of 9, 1/7 of 14, and 3/4 of 12.

Taken from New York State 2011 Core Curriculum

Video Walkthrough: Fractions as part of a set or group

In this video you will see:

• fractions as part of a set
• review of numerator and denominator
• example of fraction of a set/group
• identifying specific fractions of a set

Video Walkthrough: Fractions Part 1

Today's video walkthrough features an introduction to fractions.  In the lesson, you will see:

• fractions, numerator, and demominator defined.
• examples of above terms.
• when numerator and demominator are the same, the fraction equals 1 whole.
• first example of equivalent fractions.

Please leave comments or lesson suggestions in the comment section of the latest post.
Thanks for watching!

Video Walkthrough: Function Machines Part 3

This video walkthrough guides you through more function machines, taken from our latest assignment.  For a more in-depth look at function machines view our previous function machine post.  Pause the video, work out the solutions, then play the video for the solution.