Regrouping in Subtraction

The video tutorial explains subtraction with regrouping across different place values: ones, tens, hundreds, and thousands. It demonstrates how to set up a subtraction problem vertically and solve it by regrouping when necessary. The example problem is 5146 minus 2598, and the instructor guides through each step, addressing issues when the top number is smaller than the bottom number in a column. The process involves borrowing from the next higher place value to make subtraction possible, ultimately arriving at the solution.

What is the first step in setting up a subtraction problem with regrouping?

• Write the smaller number on top

• Convert the problem to vertical form

• Start subtracting from the left

• Add the numbers together

Tags

CCSS.2.NBT.B.7

Why do we need to regroup in the ones place?

• Because 8 cannot be subtracted from 6

• To add more ones

• To make the numbers equal

• Because 6 is greater than 8

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

After regrouping in the ones place, how many ones do we have?

• 10 ones

• 6 ones

• 16 ones

• 8 ones

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the next step after regrouping in the ones place?

• Subtract 8 from 16

• Subtract 9 from 3

• Regroup in the tens place

• Add 10 to the tens place

Tags

CCSS.2.NBT.B.5

Why do we need to regroup in the tens place?

• To make the tens equal

• Because 9 cannot be subtracted from 3

• To add more tens

• Because 3 is greater than 9

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

How many tens do we have after regrouping in the tens place?

• 4 tens

• 13 tens

• 10 tens

• 3 tens

Tags

CCSS.1.NBT.C.5

What is the result of subtracting 9 from 13 in the tens place?

• 9 tens

• 5 tens

• 4 tens

• 3 tens

Tags

CCSS.2.NBT.B.7

Why do we need to regroup in the hundreds place?

• To make the hundreds equal

• Because 0 is greater than 5

• Because 5 cannot be subtracted from 0

• To add more hundreds

Tags

CCSS.2.NBT.B.7

What is the result of subtracting 5 from 10 in the hundreds place?

• 0 hundreds

• 10 hundreds

• 5 tens

• 5 hundreds

Tags

CCSS.4.NBT.B.4

What is the final result of 5146 minus 2598?

• 2548

• 2000

• 4000

• 3000

Tags

CCSS.4.NBT.B.4