The video tutorial on Mrs. Learning Channel focuses on teaching three-digit addition with regrouping using the expanded form strategy. The instructor guides viewers through setting up the problem, expanding numbers into hundreds, tens, and ones, and adding each column separately. The tutorial concludes with a final calculation, combining the expanded numbers to arrive at the correct sum.

What is the main strategy used for addition in the video?

• Multiplication

• Expanded form

• Using a calculator

• Rounding numbers

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

How many digits are there in each of the numbers being added?

• Four

• Two

• Five

• Three

Tags

CCSS.2.NBT.B.5

Which of the following is a correct representation of expanded form used in the video?

• 290 + 6

• 200 + 90 + 6

• 296

• 209 + 6

Tags

CCSS.2.NBT.A.3

What is the sum of the ones place values from the numbers 296 and 478?

• 18

• 12

• 14

• 16

Tags

CCSS.2.NBT.B.7

What place value is first added in the video?

• Hundreds

• Tens

• Ones

• Thousands

Tags

CCSS.2.NBT.B.7

What is the sum of the tens place values from the numbers 296 and 478?

• 170

• 180

• 160

• 150

Tags

CCSS.2.NBT.B.7

What is the sum of the hundreds place values from the numbers 296 and 478?

• 600

• 500

• 700

• 800

Tags

CCSS.2.NBT.B.7

What is the expanded form of 160?

• 100 + 60

• 110 + 50

• 160 + 0

• 150 + 10

Tags

CCSS.2.NBT.A.3

How is the sum 160 further expanded?

• 160

• 110 + 50

• 100 + 60

• 150 + 10

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What is the final sum of 296 and 478?

• 764

• 774

• 784

• 754

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2