Mastering Triple-Digit Addition with Regrouping

This video tutorial by Mr. J covers how to add three-digit numbers with regrouping, also known as carrying. It includes four examples, two of which use base 10 blocks to visualize the process, while the other two are solved without visual aids. The video emphasizes starting with the ones place, regrouping when necessary, and moving through the tens and hundreds places to find the final sum.

What is another term for 'regrouping' in addition?

• Dividing

• Subtracting

• Carrying

• Borrowing

Tags

CCSS.2.NBT.B.7

When adding 416 and 379, what do you do with the 15 ones?

• Discard them

• Regroup 10 ones to the tens place

• Move them to the hundreds place

• Leave them in the ones place

Tags

CCSS.2.NBT.B.7

In the addition of 416 and 379, what is the final sum?

• 785

• 795

• 805

• 815

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What is the value of 9 tens in the addition of 416 and 379?

• 9

• 9000

• 900

• 90

Tags

CCSS.2.NBT.B.7

When adding 254 and 164, how many tens do you get after regrouping?

• 13

• 10

• 11

• 12

Tags

CCSS.2.NBT.B.7

What is the final sum of 254 and 164?

• 418

• 448

• 428

• 438

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

In the addition of 539 and 229, what do you do with the 18 ones?

• Leave them in the ones place

• Move them to the hundreds place

• Regroup 10 ones to the tens place

• Discard them

Tags

CCSS.2.NBT.B.7

What is the final sum of 539 and 229?

• 788

• 778

• 768

• 758

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

When adding 684 and 276, what do you do with the 10 ones?

• Move them to the hundreds place

• Discard them

• Leave them in the ones place

• Regroup 10 ones to the tens place

Tags

CCSS.2.NBT.B.7

In the addition of 684 and 276, what is the final sum?

• 970

• 960

• 980

• 950