Subtracting 3-Digit Numbers with Base 10 Blocks

What is the purpose of using base 10 blocks in subtraction?

• To make subtraction more difficult

• To add more steps to the process

• To visualize and better understand subtraction

• To make the numbers look bigger

In the problem 448 - 212, how many ones are left after subtracting?

• 7

• 6

• 5

• 4

How many tens are left after subtracting 1 ten from 4 tens in the problem 448 - 212?

• 1

• 2

• 3

• 4

What is the final answer for the subtraction problem 448 - 212?

• 236

• 226

• 246

• 256

What is the value of 4 hundreds minus 2 hundreds in the problem 448 - 212?

• 300

• 200

• 400

• 100

In the problem 673 - 133, how many ones are left after subtracting?

• 3

• 2

• 1

• 0

How many tens are left after subtracting 3 tens from 7 tens in the problem 673 - 133?

• 3

• 5

• 2

• 4

What is the final answer for the subtraction problem 673 - 133?

• 540

• 530

• 560

• 550

In the problem 673 - 133, how many hundreds are left after subtracting 1 hundred from 6 hundreds?

• 5

• 4

• 6

• 3

What is the purpose of verifying the subtraction without using base 10 blocks?

• To ensure the subtraction is accurate

• To make the process longer

• To check if the base 10 blocks are correct

• To confuse the students