Mastering Addition and Subtraction of Large Numbers

In this video, Mr. Jay provides a comprehensive review of adding and subtracting large numbers without a calculator. The tutorial begins with two examples of addition, demonstrating the importance of aligning numbers by place value and carrying over when necessary. It then transitions to subtraction, where Mr. Jay explains borrowing in detail through two examples. The video concludes with a summary of the techniques covered, ensuring viewers understand the processes involved in these mathematical operations.

What is the first step in solving an addition problem with large numbers?

• Start adding from the leftmost place

• Subtract the smaller number from the larger number

• Line up the numbers by their places

• Add the numbers directly

In the addition problem 4367 + 962, what is the sum of the digits in the tens place?

• 13

• 12

• 11

• 10

When adding 798,041 and 583,876, what do you do after adding the digits in the ones place?

• Move to the thousands place

• Move to the tens place

• Move to the ten thousands place

• Move to the hundreds place

In the addition problem 798,041 + 583,876, what is the sum of the digits in the ten thousands place?

• 18

• 17

• 16

• 15

What is the first step in solving a subtraction problem with large numbers?

• Subtract the numbers directly

• Line up the numbers by their places

• Start subtracting from the leftmost place

• Add the smaller number to the larger number

In the subtraction problem 7724 - 3540, what do you do if you cannot subtract the digits in the tens place?

• Move to the hundreds place

• Borrow from the hundreds place

• Borrow from the thousands place

• Move to the ones place

In the subtraction problem 7724 - 3540, what is the result of subtracting the digits in the hundreds place after borrowing?

• 2

• 3

• 1

• 0

In the subtraction problem 417,608 - 85,329, what do you do if you cannot borrow from the tens place?

• Move to the ones place

• Borrow from the thousands place

• Borrow from the hundreds place

• Move to the hundreds place

In the subtraction problem 417,608 - 85,329, what is the result of subtracting the digits in the thousands place after borrowing?

• 1

• 2

• 3

• 4

What is the final result of the subtraction problem 417,608 - 85,329?

• 332,280

• 332,281

• 332,279

• 332,282