Adding and Subtracting Whole Numbers Explained

This video tutorial covers the addition and subtraction of whole numbers greater than 10,000. It includes step-by-step examples of both operations, emphasizing the importance of lining up numbers correctly and borrowing when necessary. The video also provides guided practice problems and encourages independent practice to reinforce learning.

What is the main goal of this video?

• To learn how to multiply whole numbers

• To understand how to compute sums and differences of whole numbers

• To learn about fractions

• To understand decimal numbers

Why is it important to line up numbers correctly when adding?

• To avoid using a calculator

• To make the numbers look neat

• To make the problem easier to read

• To ensure the correct place values are added together

What is the sum of 8,243 and 7,485?

• 15,728

• 15,827

• 15,782

• 15,872

When subtracting, what should you do if the bottom number is larger than the top number?

• Ignore the bottom number

• Subtract the smaller number from the larger one

• Add the numbers instead

• Borrow from the next place value

What is the result of 4,825 - 1,937?

• 2,888

• 2,888

• 2,888

• 2,888

In the practice problem, what is the sum of 58,276 and 4,185?

• 62,461

• 62,451

• 62,461

• 62,461

What is the result of 8,000 - 3,146?

• 4,854

• 4,854

• 4,854

• 4,854

What should you do if you cannot subtract a smaller digit from a larger digit in the same place value?

• Borrow from the next higher place value

• Add the digits

• Subtract the larger digit from the smaller one

• Ignore the digits

What is the first step in solving an addition or subtraction problem?

• Ask for help

• Use a calculator

• Write down the problem

• Estimate the answer

What should you do after completing the practice problems on your own?

• Submit them to the teacher

• Check the answers provided in the video

• Start a new problem

• Erase your work