Simplifying Expressions with the Distributive Property

The video tutorial explains the distributive property, highlighting common mistakes students make, such as incorrectly multiplying terms outside parentheses. It demonstrates how to apply the distributive property by multiplying coefficients and variable terms. The tutorial also covers simplifying expressions by reordering terms while maintaining their signs and combining like terms to reach the final expression.

What is a common mistake students make when applying the distributive property?

• Adding the number outside the parentheses to all terms inside the parentheses.

• Dividing the number outside the parentheses by all terms inside the parentheses.

• Ignoring the number outside the parentheses.

• Multiplying the number outside the parentheses by all terms, including those outside the parentheses.

Tags

CCSS.6.EE.A.3

When applying the distributive property, what should you multiply?

• Only the coefficients.

• Neither the coefficients nor the variable terms.

• Only the variable terms.

• Both the coefficients and the variable terms.

Tags

CCSS.6.EE.A.3

What is the result of multiplying -3 by 2x?

• -6x

• 6x

• -6

• 6

Tags

CCSS.7.EE.A.1

What is the result of multiplying -3 by 5?

• -15

• 15

• -5

• 5

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the simplified form of -6x - 10x?

• -16x

• 4x

• 16x

• -4x

Tags

CCSS.7.EE.A.1

What is the equivalent of 5 + 4?

• 5 + 5

• 4 + 5

• 5 - 4

• 4 - 5

Tags

CCSS.1.OA.B.3

What is the equivalent of 5 - 3?

• -5 + 3

• 3 - 5

• -3 + 5

• 5 + 3

Tags

CCSS.7.NS.A.1B

When reordering terms, what must you ensure?

• The order of terms remains the same.

• The variables remain the same.

• The coefficients remain the same.

• The signs remain the same.

What is the final simplified form of the expression -6x - 15 - 10x?

• -16x - 15

• -6x - 25

• -16x + 15

• -6x + 15

Tags

CCSS.7.EE.A.1

Why is it easier to reorder terms when simplifying expressions?

• It helps avoid mistakes.

• It eliminates the need for variables.

• It changes the value of the expression.

• It makes the expression longer.

Tags

CCSS.7.EE.A.1