Exploring Addition with Regrouping Techniques

The video tutorial by Brittany Stamm covers the concept of adding with regrouping, emphasizing the importance of place value. It explains regrouping as a method to handle larger numbers by carrying over values to the next place value. Two examples are provided: one using traditional column addition and another using visual blocks. The tutorial concludes with a reminder of common mistakes and instructions for homework.

Why is place value important when adding larger numbers?

• It makes the numbers look bigger.

• It is not important at all.

• It helps in subtracting numbers.

• It helps in aligning numbers correctly.

Tags

CCSS.2.NBT.B.7

What is regrouping?

• Carrying over to the next place value when the sum exceeds 9.

• Subtracting numbers.

• Adding numbers without carrying over.

• Multiplying numbers.

Tags

CCSS.2.NBT.B.7

In the example 28 + 39, what do you do after adding the ones column?

• Write down the sum directly.

• Subtract the numbers.

• Move the 1 to the tens place value.

• Ignore the tens column.

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the final answer for the problem 28 + 39?

• 57

• 77

• 87

• 67

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

In the example using ten blocks and one's blocks, what do you do with a group of 10 one's blocks?

• Group them together to make a tens block.

• Leave them as they are.

• Ignore them.

• Subtract them from the total.

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What is the final answer for the problem 28 + 15 using ten blocks and one's blocks?

• 35

• 30

• 45

• 40

Tags

CCSS.2.OA.A.1

Which method can you choose to use for your homework?

• Neither method.

• Using columns.

• Both methods.

• Using ten blocks and one's blocks.

Tags

CCSS.2.NBT.B.7

What is a common mistake when adding with regrouping?

• Multiplying the numbers.

• Subtracting instead of adding.

• Adding the numbers directly.

• Forgetting to carry over to the tens column.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What should you remember to do when you have a new group of ten one's blocks?

• Multiply them.

• Add them to the tens column.

• Subtract them.

• Ignore them.

Tags

CCSS.2.NBT.B.7

What is the final step in the video?

• Ignore the homework.

• Review the examples again.

• Start on the homework.

• Subtract the numbers.