Subtracting with Base 10 Blocks within 1,000

This video tutorial teaches how to subtract numbers within 1,000 using base 10 blocks and regrouping. It covers the basics of representing numbers with base 10 blocks, provides step-by-step examples of subtraction problems, and highlights common mistakes to avoid. The tutorial emphasizes the importance of correctly regrouping and removing extra tens or hundreds to ensure accurate subtraction results.

How can the number 329 be represented using base 10 blocks?

• 3 hundreds, 20 tens, 9 ones

• 32 tens, 9 ones

• 3 hundreds, 29 ones

• 3 hundreds, 2 tens, 9 ones

What is a common mistake when using base 10 blocks for subtraction?

• Subtracting from the hundreds column first

• Forgetting to add extra tens

• Forgetting to remove extra tens after regrouping

• Not using enough base 10 blocks

In the subtraction 752 - 236, what is the correct final answer?

• 526

• 516

• 536

• 506

When subtracting 548 - 365, what is the first step?

• Subtract 6 tens

• Subtract 5 ones

• Subtract 4 tens

• Subtract 3 hundreds

What do you do if you don't have enough tens to subtract in a column?

• Skip the column

• Add more tens

• Regroup from the next higher place value

• Subtract from the ones column

In the subtraction 404 - 159, why do you need to regroup from the hundreds?

• There are no tens to borrow from

• The tens column is full

• There are too many ones

• The hundreds column is empty

What is the final answer for the subtraction 404 - 159?

• 245

• 255

• 265

• 275