Mastering Addition of Four 2-Digit Numbers with Regrouping

The video tutorial explains how to add four two-digit numbers using the place value strategy. It involves writing numbers in expanded form, adding the ones and tens separately, and verifying the result by rewriting the numbers vertically. The final answer is calculated to be one hundred.

What method is used to add four two-digit numbers in the video?

• Repeated addition

• Column addition

• Standard algorithm

• Place value or expanded form

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

How do we initially break down the numbers for addition?

• Hundreds and tens

• Tens and ones

• Units and hundreds

• Digits and decimals

Tags

CCSS.6.NS.B.3

What is the sum of the ones from the numbers given?

• 24

• 20

• 16

• 10

Tags

CCSS.2.NBT.B.6

What is the total of the tens after adding them up?

• 200

• 100

• 120

• 80

Tags

CCSS.2.NBT.B.6

What is the final answer obtained after adding all the numbers?

• 80

• 100

• 120

• 200