Mastering Addition with Regrouping

The video tutorial covers the concept of addition with regrouping. It begins with an introduction and a detailed explanation of how to add two numbers using regrouping, demonstrated through several examples. The teacher guides students through the process of adding numbers in the ones column first, then regrouping tens, and finally adding the tens column. Homework instructions are provided, followed by additional examples and a recap. The lesson concludes with final instructions and encouragement for students to practice independently.

What is the sum of 8 and 4 in the first problem?

• 13

• 11

• 10

• 12

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

In the first problem, what do you do with the '1' from the number 12?

• Put it in the ones column

• Ignore it

• Carry it to the tens column

• Subtract it

Tags

CCSS.1.OA.A.1

What is the sum of 5 and 8 in the second problem?

• 14

• 15

• 13

• 12

Tags

CCSS.1.OA.A.1

In the third problem, what is the sum of 1, 9, and 2?

• 13

• 12

• 11

• 10

Tags

CCSS.1.OA.A.1

What is the sum of 9 and 3 in the fourth problem?

• 12

• 13

• 10

• 11

Tags

CCSS.1.OA.A.1

In the fifth problem, what is the sum of 6 and 8?

• 15

• 12

• 13

• 14

Tags

CCSS.1.OA.A.1

What is the sum of 3 and 7 in the sixth problem?

• 10

• 12

• 9

• 11

Tags

CCSS.1.OA.A.1

In the seventh problem, what is the sum of 1, 2, and 4?

• 6

• 7

• 8

• 9

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What should you do first when adding numbers with regrouping?

• Multiply the numbers

• Add the ones column

• Add the tens column

• Subtract the ones column

Tags

CCSS.HSN.CN.A.2

What should you do if your answer is wrong when checking with the PowerPoint?

• Ask a friend

• Rework the problem with a different color

• Ignore it

• Erase the answer

Tags

CCSS.HSN.CN.A.2