Subtract with a Number Line

The video tutorial explains subtraction concepts, including terms like 'difference' and 'minus'. It demonstrates using a number line for subtraction, with Claire showing how to subtract by breaking down numbers into hundreds, tens, and ones. Another strategy, counting up, is illustrated by Kyle, who counts up from the subtrahend to the minuend. The video concludes by summarizing these strategies, emphasizing the flexibility of using a number line for subtraction.

What is a common tool mentioned for helping with subtraction?

• Abacus

• Ruler

• Number line

• Calculator

In Claire's method, what is the first step she takes on the number line?

• Subtracting the ones

• Adding the hundreds

• Subtracting the tens

• Subtracting the hundreds

How does Claire represent subtracting tens on the number line?

• A small jump to the left

• A small jump to the right

• A large jump to the right

• A large jump to the left

What is the first step Kyle takes when using the number line to count up?

• Subtracting the tens

• Marking the minuend

• Marking the subtrahend

• Adding the hundreds

What is the total amount Kyle counts up to find the difference?

• 20

• 200

• 552

• 220