Subtraction and Borrowing Quiz

Why is the order of digits important in subtraction?

• Because subtraction is commutative.

• Because it helps in addition.

• Because it makes multiplication easier.

• Because subtraction is not commutative.

In the example 756 minus 478, why do we need to borrow from the tens column?

• Because 7 is greater than 4.

• Because 8 is less than 6.

• Because 6 is greater than 8.

• Because 5 is less than 7.

What is the result of borrowing one set of ten in the example 756 minus 478?

• The tens column becomes 6.

• The ones column becomes 6.

• The ones column becomes 16.

• The hundreds column becomes 8.

In the subtraction problem 9800 minus 345, why do we leave a blank spot under the thousands column?

• Because the second number has a thousands digit.

• Because the first number does not have a thousands digit.

• Because the first number has a thousands digit.

• Because the second number does not have a thousands digit.

What is the result of 9800 minus 345 after borrowing?

• 9481

• 9455

• 9491

• 9445

In the example 7891 minus 3457, what is the first step in the subtraction process?

• Subtract the ones column.

• Subtract the hundreds column.

• Subtract the tens column.

• Subtract the thousands column.

Why do we need to borrow from the tens column in the example 7891 minus 3457?

• Because 8 is less than 4.

• Because 1 is less than 7.

• Because 7 is less than 3.

• Because 9 is less than 5.

What is the final result of 7891 minus 3457?

• 4424

• 4444

• 4434

• 4454

What is the main takeaway from the subtraction examples provided?

• Subtraction is the same as addition.

• Subtraction is always easy.

• Borrowing is sometimes needed in subtraction.

• Borrowing is not necessary.

What additional resource is mentioned at the end of the video?

• A history documentary.

• A science game.

• A math game called MageMath.

• A new math book.