Mid Test Review for Chapter 7 Concepts

This video tutorial covers the process of translating word sentences into mathematical equations and solving one-step equations using addition, subtraction, multiplication, and division. It emphasizes the importance of identifying key phrases that indicate mathematical operations and provides examples of solving equations and checking solutions for accuracy. The tutorial concludes with a word problem involving the area of a rectangle, demonstrating how to set up and solve an equation to find the unknown length.

What does the phrase 'decreased by' indicate in a math problem?

• Addition

• Subtraction

• Division

• Multiplication

How would you write the sentence 'a number A divided by 7 equals 28' as an equation?

• A - 7 = 28

• A + 7 = 28

• A * 7 = 28

• A / 7 = 28

What does the word 'product' indicate in a math problem?

• Multiplication

• Addition

• Subtraction

• Division

How would you write the sentence 'the product of 8 and a number X is 66' as an equation?

• 8 - X = 66

• 8 / X = 66

• 8 + X = 66

• 8 * X = 66

What is the first step in solving the equation 7 + K = 18?

• Divide both sides by 7

• Multiply both sides by 7

• Subtract 7 from both sides

• Add 7 to both sides

What is the value of K in the equation 7 + K = 18?

• 25

• 11

• 7

• 18

What is the value of M in the equation 7.6 = M - 3.1?

• 3.1

• 7.6

• 10.7

• 4.5

What operation would you use to solve the equation 13Y = 143?

• Division

• Addition

• Subtraction

• Multiplication

What is the value of W in the equation 8 = W / 3?

• 8

• 11

• 3

• 24

If a rectangle has an area of 105 square feet and a width of 5 feet, what is the length?

• 21 feet

• 20 feet

• 15 feet

• 25 feet