Solving Equations and Strategies

The video tutorial covers the basics of equations, emphasizing the importance of the equal sign and the concept of a single solution. It introduces solving equations using substitution and the guess, check, and revise strategy. Practical applications are demonstrated through examples like building a door and calculating broccoli consumption. The lesson concludes with a reminder to complete homework and reach out with questions.

What page should students open to begin the lesson?

• Page 300

• Page 335

• Page 365

• Page 350

What is a key feature that distinguishes an equation from an expression?

• It has a variable

• It has an equal sign

• It has a plus sign

• It has a number

In the equation 3x = 6, what is the value of x?

• 4

• 1

• 2

• 3

What is the solution to the equation x + 3.5 = 7.9?

• 4.4

• 5.0

• 4.2

• 3.4

Which method involves plugging in values to find the solution of an equation?

• Graphing

• Substitution

• Elimination

• Factoring

What is the first step in the guess, check, and revise strategy?

• Solve the equation

• Check the answer

• Guess a number

• Revise the guess

If 4.5x = 135, what is the value of x using the guess, check, and revise strategy?

• 25

• 20

• 30

• 35

In the problem 4.5x = 135, why was 20 not a correct guess?

• It was correct

• It was too small

• It was not a number

• It was too large

What is the correct number of planks needed to build a 36-inch door using 4.5-inch planks?

• 6

• 7

• 8

• 9

How many times more broccoli did students eat this year compared to last year?

• 7 times

• 6.25 times

• 6 times

• 5 times