Subtracting Integers and Integer Chips

The video tutorial on 'The Magic of Math' channel teaches how to subtract integers. It begins by connecting subtraction to addition, emphasizing the importance of understanding addition rules. The instructor uses integer chips to visually model subtraction, including cases with different signs. A key rule is introduced: change subtraction to addition and add the opposite. The video includes practice problems and encourages viewers to practice more. The lesson concludes with a reminder to subscribe for more math tutorials.

Why is it important to understand the addition of integers before learning subtraction?

• Because subtraction is the same as addition.

• Because subtraction rules are based on addition rules.

• Because addition is more difficult than subtraction.

• Because subtraction is not related to addition.

What does a yellow integer chip represent?

• A negative one

• A positive two

• A positive one

• Zero

What is a zero pair in the context of integer chips?

• Two negative chips

• Two positive chips

• Two chips of any color

• A positive and a negative chip together

When subtracting integers with the same sign, what is the result of 3 - 2?

• 5

• 0

• -1

• 1

How do you model the subtraction of -4 - (-1) using integer chips?

• Add four positive chips and remove one negative chip

• Add four negative chips and remove one positive chip

• Add four negative chips and remove one negative chip

• Add four positive chips and remove one positive chip

What is the first step when subtracting integers with different signs?

• Add more negative chips

• Add zero pairs until you can subtract

• Add more positive chips

• Remove all chips from the mat

What is the rule for subtracting integers?

• Subtract the numbers directly

• Always subtract the smaller number from the larger

• Change subtraction to addition and add the opposite

• Add the numbers directly

How do you rewrite 6 - 15 using the rule for subtracting integers?

• 6 + 15

• 6 - 15

• 6 - (-15)

• 6 + (-15)

What is the result of 6 + (-15)?

• -21

• -9

• 21

• 9

When adding integers with different signs, what determines the sign of the result?

• The sign of the first number

• The sign of the smaller absolute value

• The sign of the larger absolute value

• The sign of the second number