Mastering 3-Digit Subtraction with Regrouping

What is the first step in three-digit subtraction?

• Subtract the ones

• Subtract the hundreds

• Check if regrouping is needed

• Regroup the tens

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What does regrouping involve in three-digit subtraction?

• Moving ones to tens

• Multiplying the numbers

• Adding tens to ones

• Borrowing from the next highest place value

Tags

CCSS.5.NBT.B.7

If you have 5 ones and need to subtract 8, what should you do?

• Borrow from the hundreds

• Just subtract 5 from 8

• Ignore the subtraction

• Regroup one ten into ones

Tags

CCSS.2.NBT.B.6

After regrouping 1 ten into 10 ones, how many ones do you have if you initially had 5?

• 20 ones

• 5 ones

• 10 ones

• 15 ones

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What is 6 tens minus 3 tens?

• 9 tens

• 3 tens

• 4 tens

• 6 tens

Tags

CCSS.1.NBT.C.5

What is the result of 475 minus 238?

• 217

• 337

• 237

• 247

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

When subtracting 9 from 7 ones, what is the necessary step?

• Regroup one ten

• Subtract directly

• Regroup one hundred

• Add more ones

Tags

CCSS.7.NS.A.1C

After regrouping, how many ones are there if initially there were 7 ones?

• 15 ones

• 10 ones

• 17 ones

• 7 ones

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the result of subtracting 229 from 367?

• 138

• 118

• 128

• 148

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2