The video tutorial by Mr. Jini covers solving one-step equations with rational numbers, including fractions, mixed numbers, and decimals. It emphasizes the importance of understanding operations like addition, subtraction, multiplication, and division. The tutorial provides step-by-step examples, demonstrating how to isolate variables and find solutions using properties of equality. It also highlights the need for fluency in arithmetic operations and checking solutions for accuracy.

What is the main focus of the video tutorial?

• Solving inequalities

• Solving one-step equations with rational numbers

• Solving multi-step equations with integers

• Solving quadratic equations

What type of numbers were initially used in class before introducing rational numbers?

• Negative numbers

• Whole numbers

• Prime numbers

• Complex numbers

In the equation S + 1/4 = 12, what operation is used to isolate S?

• Division

• Subtraction

• Multiplication

• Addition

What is the least common multiple of 4 and 3 used in the equation 2 and 2/3 + y = 4 and 1/4?

• 6

• 12

• 16

• 8

In the equation a - 4 and 3/8 = 2 and 1/2, which property of equality is used to solve for a?

• Addition property

• Multiplication property

• Subtraction property

• Division property

What is the inverse operation used to solve 2/7 * Q = 3?

• Addition

• Subtraction

• Multiplication

• Division

In the equation 12.85 = x - 4.34, what operation is used to solve for x?

• Subtraction

• Addition

• Multiplication

• Division

What mistake was corrected in solving 15.95 = 3.19 * N?

• Incorrect subtraction

• Incorrect division

• Incorrect multiplication

• Incorrect addition