Adding and Understanding Fractions

This video tutorial covers adding fractions with unlike denominators using the area model. It begins with an introduction to the concept, followed by a detailed explanation of how to use the area model to find common denominators. The video includes practice exercises with fractions like 1/4 and 1/5, as well as more advanced exercises with different numerators. Finally, it applies the area model to solve a word problem, demonstrating the practical application of the method.

What is the main focus of this lesson?

• Multiplying fractions with like denominators

• Subtracting fractions with like denominators

• Dividing fractions with unlike denominators

• Adding fractions with unlike denominators

Which model is used to find a common denominator in this lesson?

• Number line model

• Area model

• Pie chart model

• Bar graph model

What is the first step in using the area model to add fractions?

• Draw the fractions as rectangles

• Shade the entire area

• Divide the denominators

• Multiply the numerators

How do you convert 1/4 to a fraction with a common denominator with 1/3?

• Multiply by 5

• Multiply by 4

• Multiply by 3

• Multiply by 2

What is the common denominator for 1/4 and 1/3?

• 16

• 12

• 8

• 6

What is the sum of 3/12 and 4/12?

• 8/12

• 7/12

• 6/12

• 5/12

In the practice example, what is the first step to add 1/4 and 1/5?

• Shade both fractions

• Divide the denominators

• Draw two identical rectangles

• Multiply the numerators

What is the common denominator for 1/4 and 1/5?

• 10

• 20

• 15

• 25

What is the sum of 5/20 and 4/20?

• 8/20

• 9/20

• 10/20

• 11/20

In the advanced practice, what is the first step to add 3/5 and 3/7?

• Divide the denominators

• Multiply the numerators

• Draw two identical rectangles

• Shade both fractions