Subtraction Techniques Using the Number Line

What is the primary visual tool used for solving subtraction problems in the video?

• Calculator

• Abacus

• Number line

• Graph paper

What is the importance of equal spacing between numbers on the number line?

• It makes the line look better.

• It is necessary for accurate subtraction.

• It is only for addition problems.

• It helps in multiplication.

In which direction do we move on the number line to perform subtraction?

• Up

• Right

• Down

• Left

What does the subtraction sign indicate when using a number line?

• Move upwards

• Move downwards

• Move to the left

• Move to the right

What is the result of the subtraction problem 16 - 10 using the number line?

• 10

• 4

• 6

• 26

How do we determine the starting point for a subtraction problem on the number line?

• Randomly choose a starting point

• Start from the subtrahend

• Start from the minuend

• Always start from zero

How many spaces do we move to the left on the number line to solve 9 - 2?

• 7

• 9

• 11

• 2

What is the final position on the number line when subtracting 1 from 10?

• 11

• 10

• 9

• 1

What does the equal sign signify in the context of subtraction problems using a number line?

• The beginning of the problem

• The direction to move

• The final answer

• Equivalence or 'is the same as'

What subtraction problem is modeled by moving from 0 to 18 and then 15 spaces to the left?

• 15 - 18

• 3 - 18

• 18 - 3

• 18 - 15