Algebraic Expressions and Operations

Mr. Woolley guides students through generating equivalent expressions by combining like terms, solving expressions with given values, and evaluating expressions with different values. The video includes examples from a problem set to reinforce learning. Students are reminded of classroom guidelines and the importance of not sharing the video outside the classroom.

What is the result of combining 5x and 3x?

• 5x

• 8x

• 2x

• 15x

If you have 5x and subtract 3x, how many x's are left?

• 2x

• 3x

• 8x

• 5x

What is the sum of 2x + 1 and 5x?

• 7x

• 6x + 1

• 7x + 1

• 8x + 1

If x equals -3, what is the value of 7x + 1?

• -20

• -21

• -19

• -22

What is the result of multiplying 2x by 3?

• 9x

• 3x

• 6x

• 5x

If x = 9, what is the value of 6x?

• 36

• 45

• 63

• 54

What is the sum of -3a + 2 and 5a - 3?

• 3a - 1

• 2a - 1

• 8a - 1

• 2a + 1

If a = 5, what is the value of 2a - 1?

• 8

• 11

• 10

• 9

What is the result of 8b - 4b when b = 5?

• 20

• 40

• 30

• 10

If c = -3, what is the value of 5c - 4c + c?

• -9

• 0

• -3

• -6