Mastering 3-Digit Subtraction with Regrouping and Zeros

What is the first step in regrouping when subtracting numbers like 304 - 129?

• Move to the tens place immediately.

• Regroup one hundred as ten tens.

• Subtract the ones place directly.

• Subtract the hundreds place first.

In the process of regrouping, what do we turn one hundred into?

• Eleven tens

• Ten tens

• Nine tens

• Ten ones

In the example 506 - 381, what do we do after realizing we can't subtract eight tens?

• Subtract from the hundreds place directly.

• Regroup one hundred to the tens place.

• Ignore the tens place and move on.

• Try to subtract the ones place again.

What is the result of 204 - 157?

• 57

• 67

• 47

• 37

How can we solve 108 - 35 without needing to regroup?

• By subtracting the tens place first.

• By regrouping the hundreds place.

• By adding more to the ones place.

• By directly subtracting the ones place.

What is the difference in the subtraction problem 700 - 589?

• 121

• 101

• 111

• 131

What mental math strategy can be used for subtracting numbers like 42 - 29?

• Adding the two numbers together.

• Subtracting the tens place first.

• Counting on from the subtrahend.

• Combining the tens and ones digits.

How many oranges did Mr. Lee sell if he sold 306 apples and 138 more apples than oranges?

• 178 oranges

• 168 oranges

• 158 oranges

• 148 oranges

What is the correct way to check if your subtraction is accurate?

• Multiply the minuend by the subtrahend.

• Add the subtrahend to the difference.

• Add the difference to the minuend.

• Subtract the difference from the subtrahend.

What is the next lesson about, as mentioned at the end of the video?

• Subtracting larger numbers

• Counting money

• Advanced multiplication

• Geometry basics