Subtracting Fractions Mastery Challenge

This video is a mastery check for subtracting fractions with unlike denominators. Mr. J guides students through solving four problems independently, providing solutions and explanations for each. The goal is to achieve at least three correct answers to demonstrate understanding. The video emphasizes finding common denominators, simplifying fractions, and checking work for accuracy.

What is the primary goal of the mastery check?

• To understand common denominators

• To learn new concepts

• To review subtracting fractions with unlike denominators

• To practice multiplication

What should you have ready before starting the mastery check?

• A calculator and a notebook

• A pencil and a piece of paper

• A textbook and a ruler

• A computer and internet access

What indicates mastery in this check?

• Getting at least 3 out of 4 correct

• Watching the video without pausing

• Getting at least 1 out of 4 correct

• Understanding the concept without solving problems

How do you find an equivalent fraction for subtraction?

• Multiply both the numerator and denominator by the same number

• Add the same number to both the numerator and denominator

• Multiply the numerator by the denominator

• Divide the numerator by the denominator

What is the common denominator for fractions with denominators 5 and 25?

• 25

• 5

• 30

• 10

How do you simplify a fraction to its simplest form?

• By subtracting the numerator from the denominator

• By multiplying the numerator and denominator by the same number

• By dividing the numerator and denominator by their greatest common factor

• By adding the numerator and denominator

What common multiple do 3 and 11 share first?

• 55

• 44

• 21

• 33

What is the common denominator for fractions with denominators 4 and 20?

• 40

• 80

• 4

• 20

What is the result of subtracting two fractions and simplifying it to 3/20?

• 1/4 - 1/20

• 1/5 - 1/4

• 1/4 - 2/20

• 2/5 - 1/10

What should you do if you score below the mastery goal?

• Review where mistakes were made

• Skip to the next video

• Ignore the results

• Only focus on the correct answers