Lesson 4.4: Expand Expressions

Presentation

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Mathematics

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7th Grade

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Practice Problem

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Medium

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CCSS

6.EE.A.3, 7.EE.A.1

Standards-aligned

Reed Carbone

Used 44+ times

FREE Resource

6 Slides • 4 Questions

Lesson 4.4:

Expand Expressions

Some text here about the topic of discussion

Definition:

Distributive Property: a(b + c) = ab + bc

10( 5 + 2) = (10 x 5) + (10 x 2)

x(5 + 3) = 5x + 3x = 8x

x(2 + y) = 2x + xy

Subject | Subject

Some text here about the topic of discussion

How to use the distributive property:
2(3x +1)

Example: Simplify the expression -⅓ (2 - 3x + 3).

Multiple Choice

Simplify the expression: 2(2x + 4)

4x + 4

2x + 8

4x + 8

12x

Multiple Choice

Simplify the expression: $\frac{1}{2}\left(4x\ -8\right)$

8x - 16

2x - 4

2x + 4

4x - 4

Example: x(3.4 - 2y)

Multiple Choice

Simplify: 3(0.5x - y)

1.5x - 3y

3.5x - 3y

1.5x + 3y

1.5x - y

Multiple Choice

Simplify: $\frac{1}{4}x\left(8y\ -\ 2z\right)$

2xy - 0.5z

2xy - 0.5xz

32xy - 8xz

1.5xyz

Conclusion: Write two complete sentences about what you learned.

Lesson 4.4:

Expand Expressions

Some text here about the topic of discussion

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