3 Digit Subtraction with Regrouping Challenge

Mr. Gross explains three-digit subtraction with regrouping, starting with the ones place and moving to the tens and hundreds. He uses rhymes to help remember rules, such as 'more on top, no need to stop' and 'more on the floor, go next door.' The tutorial covers regrouping across zeros and provides examples to illustrate each step.

Where should you start when subtracting three-digit numbers?

• In the ones place

• In the hundreds place

• In the tens place

• Anywhere is fine

What rhyme helps remember the subtraction process?

• 'More on top, no need to stop'

• 'Equal numbers, zeros the game'

• 'Less on top, subtraction stop'

• 'More on the floor, go next door'

What happens when you subtract two identical numbers?

• The result is 2

• The result is 10

• The result is 0

• The result is 1

What should you do if the number on top is smaller in the ones place?

• Borrow from the tens place

• Skip the subtraction

• Start over

• Just subtract as usual

After borrowing from the tens place, what should you do next?

• Finish the problem

• Return to subtracting in the ones place

• Borrow from the hundreds place

• Subtract in the tens place

What does 'more on top, no need to stop' mean?

• You can subtract without borrowing

• You need to borrow from the next place

• You should stop and check your work

• You have made a mistake

What is the result of 8 take away 2 in the hundreds place?

• 0

• 10

• 6

• 2

What is the final step in three-digit subtraction with regrouping?

• Subtract in the hundreds place

• Check your work

• Subtract in the tens place

• Subtract in the ones place

How do you handle subtraction when encountering a zero in the tens place?

• Borrow from the hundreds place

• Restart the problem

• Ignore the zero

• Skip the subtraction

In a complex subtraction problem, what might you need to do more than once?

• Ignore zeros

• Regroup

• Guess and check

• Start over