Operations and Problem Solving

This video tutorial covers division and the four fundamental operations: addition, subtraction, multiplication, and division. It includes example problems and a worksheet with five questions, each focusing on different real-world scenarios. Students learn to solve problems involving calculations of weights, production quantities, costs, and divisibility. The video emphasizes step-by-step problem-solving and encourages students to attempt solutions before viewing the answers.

Which of the following is NOT a fundamental operation covered in this session?

• Division

• Exponentiation

• Subtraction

• Addition

What is the first step in solving the example problem about the weight of bags of wheat?

• Divide the total weight by the number of bags

• Add the weights of all bags

• Multiply the total weight by the number of bags

• Subtract the weight of one bag from the total

How do you find the weight of 147 bags of wheat in the example problem?

• Divide the total weight by 147

• Multiply the weight of one bag by 147

• Subtract the weight of 147 bags from the total

• Add the weight of one bag 147 times

In the sugar production problem, what is the first step to find the sugar produced in the third year?

• Subtract the first year's production from the total

• Divide the total production by three

• Add the first and second year's production

• Multiply the first year's production by two

What operation is used to find the sugar produced in the third year after calculating the total for the first two years?

• Addition

• Subtraction

• Division

• Multiplication

How do you calculate the number of bulbs produced in one day?

• Multiply the total by 365

• Divide the total by 365

• Add 365 to the total

• Subtract 365 from the total

What is the next step after finding the daily bulb production to calculate the bulbs produced in April?

• Divide by 30

• Multiply by 30

• Subtract 30

• Add 30

In the watch cost problem, what is the first step to find the total money earned from selling mobile phones?

• Subtract the cost of one phone from the total

• Divide the total cost by the number of phones

• Add the cost of one phone to the total

• Multiply the number of phones by the cost of one phone

How do you find the cost of each watch after selling the mobile phones?

• Multiply the total money by the number of watches

• Subtract the number of watches from the total money

• Add the total money to the number of watches

• Divide the total money by the number of watches

What is the first step in solving the apple packing problem?

• Subtract the number of green apples from red apples

• Add the number of red and green apples

• Multiply the number of red apples by green apples

• Divide the number of red apples by green apples