Evaluating Expressions with Fractions

The video tutorial explains how to evaluate a variable expression by substituting given values for variables and applying the order of operations. It covers simplifying exponents, finding common factors in fractions, and calculating the final product. The tutorial concludes with the expression's value in its simplest form.

What is the expression we are evaluating in this problem?

• x squared y

• one half x squared y

• x plus y

• one half x plus y

Tags

CCSS.7.NS.A.1C

What values are substituted for x and y in the expression?

• x = 1/3, y = 2/5

• x = 3/5, y = 1/2

• x = 2/5, y = 15/16

• x = 1/2, y = 3/4

Tags

CCSS.6.EE.A.2C

What is the first step in simplifying the expression after substitution?

• Simplify the exponents

• Multiply the fractions

• Simplify inside the parentheses

• Add the fractions

Tags

CCSS.8.EE.A.1

How do you simplify the exponent in the expression?

• Multiply the numerator and denominator

• Add the numerator and denominator

• Divide the numerator by the denominator

• Square the numerator and denominator

Which common factor is used to simplify the fractions 4 and 16?

• 4

• 3

• 2

• 5

What common factor is used to simplify the fractions 15 and 25?

• 4

• 2

• 5

• 3

Tags

CCSS.5.NF.B.6

What is the result of multiplying the numerators of the simplified fractions?

• 4

• 2

• 1

• 3

Tags

CCSS.5.NF.B.6

What is the result of multiplying the denominators of the simplified fractions?

• 50

• 40

• 30

• 20

Tags

CCSS.6.EE.A.2C

What is the final result of the expression when x = 2/5 and y = 15/16?

• 1/40

• 2/40

• 3/40

• 4/40

Tags

CCSS.5.NF.B.6

What is the purpose of simplifying common factors before multiplying fractions?

• To change the values of the fractions

• To ensure the product is in simplest form

• To make the fractions more complex

• To make the fractions larger

Tags

CCSS.5.NF.B.6