Understanding Fractions and Operations

The video tutorial explains how to evaluate an expression involving addition and division. It emphasizes the priority of multiplication and division over addition and subtraction. The tutorial demonstrates dividing by a fraction by multiplying with its reciprocal, simplifying fractions before multiplication, and finding a common denominator to add fractions. The final result is simplified, and the process is explained step-by-step for clarity.

What is the first step in evaluating an expression with both addition and division?

• Perform division first

• Perform addition first

• Perform multiplication first

• Perform subtraction first

How do you divide by a fraction?

• Multiply by the reciprocal of the fraction

• Add the reciprocal of the fraction

• Subtract the fraction

• Multiply by the fraction

What is the reciprocal of 5/7?

• 7/5

• 5/7

• 7/1

• 1/7

When simplifying fractions, what should you look for?

• Common multiples

• Common factors

• Common numerators

• Common denominators

What is the simplified form of 2 times 7 over 7 times 5?

• 1/5

• 2/5

• 14/35

• 7/5

What is the least common denominator of 7 and 5?

• 12

• 35

• 7

• 5

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

How do you convert 1/7 to have a denominator of 35?

• Add 5 to the denominator

• Subtract 5 from the numerator

• Multiply numerator and denominator by 5

• Multiply numerator and denominator by 7

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is 1/7 equivalent to when expressed with a denominator of 35?

• 1/35

• 35/35

• 7/35

• 5/35

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the sum of 5/35 and 14/35?

• 19/35

• 14/35

• 5/35

• 35/35

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

What is the only common factor between 19 and 35?

• 19

• 1

• 7

• 5