Three-Digit Addition Strategies

The video tutorial teaches how to solve a three-digit addition equation using three strategies: base 10, expanded form, and number line. Each method is explained step-by-step, demonstrating how to add 246 and 125 to get the result 371. The base 10 strategy involves drawing and grouping numbers, the expanded form strategy uses breaking down numbers into hundreds, tens, and ones, and the number line strategy involves visualizing jumps on a number line. The video concludes with a review and encouragement to revisit the tutorial for further practice.

What are the three strategies mentioned for solving three-digit addition?

• Base 10, Expanded Form, Number Line

• Base 10, Subtraction, Multiplication

• Expanded Form, Division, Number Line

• Number Line, Subtraction, Base 10

In the base 10 strategy, what is the first step when adding two numbers?

• Add the hundreds

• Draw both numbers

• Subtract the ones

• Add the tens

When using the base 10 strategy, what do you do if you can make a new ten?

• Subtract it

• Move to the next step

• Ignore it

• Create a new ten

In the base 10 strategy, what is the final step to find the answer?

• Divide the ones

• Subtract the tens

• Count up all the ones, tens, and hundreds

• Multiply the hundreds

What is the first step in the expanded form strategy?

• Add the ones

• Write numbers in expanded form

• Subtract the tens

• Multiply the hundreds

In the expanded form strategy, what do you do after writing numbers in expanded form?

• Multiply the tens

• Add the hundreds

• Subtract the ones

• Start adding with the ones

What is the final step in the expanded form strategy?

• Divide the ones

• Subtract the hundreds

• Multiply the tens

• Stack the expanded form answers and add

Which strategy requires you to write numbers as sums of hundreds, tens, and ones?

• Base 10

• Expanded Form

• Number Line

• Subtraction

In the number line strategy, where do you start on the number line?

• At the second number

• At the sum of the numbers

• At zero

• At the first number

What is the first jump you make on the number line when adding 125 to 246?

• A jump of 5

• A jump of 200

• A jump of 100

• A jump of 20