Place Value and Subtraction

What is the value of the underlined digit?

94,356

• 4

• 40

• 400

• 4,000

• 40,000

Answer explanation

The underlined digit in the number is the fourth one from the right, and each digit represents a unit. Starting from the right, the units are ones, tens, hundreds, thousands, and so forth. So, the underlined 4 is in the thousands place, making it represent 4,000 not 4, 40, 400 or 40,000.

What is the place value of the underlined digit?

37,549

Answer explanation

The underlined digit in the question is 3, which is in the 'Ten Thousands' place of the given number 37,549. So, the place value of the underlined digit is 'Ten Thousands'.

Use the digits given to make the largest number possible. Use each digit one time. Write your answer.

3, 2, 8, 7

Answer explanation

The question asks to create the largest possible number using the digits 3, 2, 8, 7. When arranging digits to form the highest possible number, we should place the largest digit at the highest place value. So, the largest number we can form with these digits is 8732.

Choose the two numbers from the group that have the greatest difference. Solve that number sentence.

132 983 875

Answer explanation

The two numbers from the given group that have the greatest difference are 132 and 983. The difference between these two numbers is calculated by subtracting the smaller number from the larger number. Therefore, the solution to the number sentence is 983-132 which equals 851.

Which number has a 7 in the hundreds place?

• 6,872

• 3,687

• 12,795

• 7,453

Answer explanation

The hundreds place is the third digit from the right. Only 12,795 has the 7 in this place.

Find the difference.

8,325 - 792

Answer explanation

Write the problem down on paper, lining up the place values. Start with the ones place. 5 - 2 = 3. For the tens place, we have to borrow. 12 - 9 = 3. We have to borrow again for the hundreds place. 12 - 7 = 5. For the thousands place, 7 - 0 = 7.

What is the place value of the underlined digit?

135,768

• ones

• tens

• hundreds

• thousands

• ten thousands

Answer explanation

The underlined digit in the question is '6' in the number 135,768. In this number, '6' is in the 'tens' place. Each digit in a number has a position, or place value. Starting from the rightmost digit, which is the 'ones' place, you count up to the 'tens' place, which is the second position from the right. Therefore, the underlined digit '6' represents 'tens'.

Find the difference.

508 - 322

Answer explanation

Start with the ones place. 8 - 2 = 6. For the tens place, we have to borrow. 10 - 2 = 8. Then, in the hundreds place, 4 - 3 = 1.

Which of these subtraction problems will have the greatest difference?

• 581 - 428 =

• 532 - 320 =

• 774 - 522 =

• 242 - 131 =

• 425 - 272 =

Answer explanation

The question asks for the subtraction problem with the greatest difference. By calculating the difference for each problem, we find that 774 - 522 yields the highest value, hence it is the correct answer.

Find the difference. How many times did you have to borrow?

842 - 198

• 0

• 1

• 2

• 3

Answer explanation

To find the difference between 842 and 198, we subtract the two numbers. Starting from the rightmost digit, we see that 2 is less than 8, so we have to borrow from the next digit. Again, we notice that once we borrow, 4 becomes 3 and is still less than 9, so we need to borrow again. So, we had to borrow twice, making the correct answer '2'.