Understanding Angles, Functions, and Relationships

Mr. Kelly introduces a lesson on modeling with equations, focusing on writing equations rather than solving them. He provides several examples, including solving equations with sums, finding consecutive integers, calculating original prices after discounts, and determining rectangle dimensions from perimeter. The lesson concludes with encouragement to practice similar problems.

What is the main focus of the lesson in this video?

• Factoring equations

• Graphing equations

• Writing equations

• Solving equations

In the first example, what operation is performed on the sum of a number and 11?

• It is divided by 2

• It is added to 2

• It is multiplied by 2

• It is subtracted by 2

What is the result of the equation in the first example?

• 6

• 2

• 8

• 4

In the second example, what is the sum of twice a number and three times a number equal to?

• 45

• 39

• 29

• 49

What is the value of 'n' in the second example?

• 7

• 8

• 9

• 10

In the third example, what does 'consecutive' mean?

• Numbers that are odd

• Numbers that are prime

• Numbers that follow one after another

• Numbers that are even

What is the sum of the three consecutive integers in the third example?

• 159

• 150

• 153

• 156

What is the first integer in the third example?

• 52

• 53

• 51

• 50

In the fourth example, what fraction of the shirt's price is taken off?

• One fifth

• One sixth

• One fourth

• One third

What was the original cost of the shirt in the fourth example?

• $30

• $32

• $42

• $40