Addition Techniques and Place Value

The video tutorial covers three-digit addition with regrouping. It begins by explaining the importance of aligning place values when adding numbers. The tutorial then demonstrates how to add numbers starting from the ones place, introducing the concept of carrying over or regrouping when the sum exceeds ten. The process continues with adding numbers in the tens and hundreds places, ensuring proper alignment and regrouping. The video concludes with encouragement for further practice and learning.

What is the first step in solving a three-digit addition problem?

• Subtract the smaller number from the larger one

• Add the numbers horizontally

• Line up the place values

• Start adding from the hundreds place

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CCSS.2.NBT.B.7

When stacking numbers for addition, which place value should be aligned first?

• Ones place

• Tens place

• Thousands place

• Hundreds place

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Why is it important to start adding from the smallest place value?

• To simplify multiplication

• To avoid mistakes in subtraction

• To ensure correct carrying over

• To make the process faster

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What should you do if the sum of the ones place is a two-digit number?

• Subtract the extra digit

• Carry over the extra digit to the tens place

• Ignore the extra digit

• Write both digits in the ones place

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CCSS.2.NBT.B.7

What is the term used for moving a digit to the next higher place value?

• Borrowing

• Carrying over

• Subtracting

• Multiplying

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If you carry over a digit from the ones place, how many numbers will you add in the tens place?

• One number

• Four numbers

• Three numbers

• Two numbers

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What is the result of adding 1, 6, and 9 in the tens place?

• 16

• 17

• 15

• 14

After carrying over from the tens place, what is the next step?

• Multiply the hundreds place

• Divide the hundreds place

• Subtract the hundreds place

• Add the hundreds place

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CCSS.2.NBT.B.7

What is the sum of 1, 4, and 2 in the hundreds place?

• 8

• 5

• 7

• 6

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What is the final sum of the addition problem discussed in the video?

• 672

• 762

• 726

• 627

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