Three-Digit Subtraction with Regrouping Quiz

What is the main focus of the lesson introduced by Mrs. Schneider?

• Addition of three-digit numbers

• Subtraction of three-digit numbers with regrouping

• Division of three-digit numbers

• Multiplication of two-digit numbers

In the problem, how many cookies did Mrs. Schneider start with?

• 500

• 628

• 234

• 394

When subtracting the ones place, why was there no need to regroup?

• Because 8 is less than 4

• Because 8 is more than 4

• Because 4 is more than 8

• Because 4 is equal to 8

What do you do if there is more on the floor when subtracting the tens place?

• Go next door and get ten more

• Subtract directly

• Skip the step

• Add ten more

How many tens are left after subtracting 9 from 12?

• 5

• 4

• 3

• 2

What is the result of subtracting the hundreds place in the problem?

• 3

• 4

• 1

• 2

What is the final number of cookies left after the subtraction?

• 394

• 628

• 234

• 500

What should you ask yourself when approaching each column in subtraction?

• Is there more on the top or more on the floor?

• Is there more in the front or more in the back?

• Is there more on the left or more on the right?

• Is there more in the middle or more on the sides?

What is the importance of crossing out numbers in subtraction with regrouping?

• To confuse the solver

• To indicate numbers that have been changed

• To make the problem look neat

• To add more numbers

What is the key takeaway from Mrs. Schneider's advice on subtraction?

• Always cross out numbers randomly

• Take your time and think about what you're doing

• Never regroup numbers

• Always subtract without thinking