Comparing and Converting Fractions

The video tutorial covers the fourth-grade concept of comparing fractions, specifically focusing on a problem from the 2018 released STAAR test. The problem involves comparing the thickness of two cell phones using fractions. The tutorial guides students through finding equivalent fractions with common denominators to compare them effectively. The solution process involves listing multiples, converting fractions, and determining which fraction is smaller. The final answer is determined by comparing the fractions to find that 1/3 is less than 3/8.

What is the main topic of the lesson introduced in the video?

• Adding fractions

• Comparing fractions

• Subtracting fractions

• Multiplying fractions

Which standard is being addressed in this lesson?

• 4.3 B

• 4.3 D

• 4.3 A

• 4.3 C

What is the thickness of Jacob's cell phone?

• 3/5 of an inch

• 1/3 of an inch

• 3/8 of an inch

• 2/5 of an inch

What is the relationship between Crosby's and Jacob's cell phone thickness?

• They are the same thickness

• Crosby's is thinner

• Crosby's is twice as thick

• Crosby's is thicker

What is the first step in finding equivalent fractions?

• Multiply the fractions

• Find the least common denominator

• Subtract the fractions

• Add the fractions

What is the least common denominator of 3/8 and 2/5?

• 40

• 20

• 50

• 30

What is 3/8 converted to a fraction with a denominator of 40?

• 9/40

• 15/40

• 12/40

• 18/40

What is 2/5 converted to a fraction with a denominator of 40?

• 12/40

• 18/40

• 14/40

• 16/40

Which fraction is greater: 15/40 or 16/40?

• Cannot be determined

• They are equal

• 16/40

• 15/40

What is the least common denominator of 3/8 and 4/7?

• 48

• 56

• 72

• 64