Adding and Subtracting Fractions

The video tutorial covers the fifth-grade concept of adding and subtracting fractions using models, specifically focusing on a problem from the 2016 released STAR test. It explains the importance of finding a common denominator, demonstrates how to label fractions, and uses models to visualize the addition process. The tutorial concludes by verifying the solution and emphasizing the correct method of adding fractions.

What is the main topic discussed in this video tutorial?

• Multiplying fractions

• Converting fractions to decimals

• Adding and subtracting fractions with models

• Dividing fractions

Which standard is being referenced in the video?

• 5.3h

• 4.2g

• 6.1a

• 3.4f

What is the main problem involving Karen and Marcus?

• They are dividing a pizza

• They are sharing a candy bar

• They are buying groceries

• They are solving a puzzle

Why can't we simply add the fractions directly?

• They have different numerators

• They have different denominators

• They are improper fractions

• They are mixed numbers

What is the first step in solving the problem?

• Subtracting the fractions

• Adding the numerators

• Multiplying the fractions

• Finding the least common denominator

How many chunks did Karen eat from her candy bar?

• 8

• 6

• 5

• 10

What fraction of the candy bar did Marcus eat?

• 1/4

• 1/2

• 1/5

• 1/3

What is the incorrect way to add fractions?

• Converting to decimals

• Adding the numerators and denominators

• Finding a common denominator

• Using a calculator

What is the least common denominator (LCD) used in the problem?

• 12

• 16

• 10

• 8

What is the purpose of finding the least common denominator?

• To simplify fractions

• To add fractions with different denominators

• To convert fractions to decimals

• To multiply fractions