Subtracting Integers: Add the Opposite Method

The video tutorial covers the algorithm for subtracting integers, emphasizing the use of opposites. It explains the rules for subtracting integers by adding the opposite and following addition rules. The tutorial includes an activity to practice identifying when to rewrite subtraction as addition and provides example problems to illustrate the concepts. The lesson concludes with a summary and a prompt to subscribe for more lessons.

What is the first step in subtracting integers according to the lesson?

• Add the opposite

• Multiply the integers

• Divide the integers

• Subtract as usual

Tags

CCSS.7.NS.A.1C

What rule do you follow when both numbers have the same sign?

• Subtract the digits and change the sign

• Subtract the digits and keep the sign

• Add the digits and change the sign

• Add the digits and keep the sign

Tags

CCSS.7.NS.A.1C

In the activity, which problem does NOT require rewriting as addition?

• 2 + (-4)

• -6 - (-1)

• 6 - 7

• -5 + (-10)

Tags

CCSS.7.NS.A.1C

How do you treat the first number in a subtraction problem when converting it to addition?

• Change its sign

• Multiply it by -1

• None of the above

• Leave it as is

Tags

CCSS.7.NS.A.1B

What is the result of -2 - 6 when converted to an addition problem?

• 2 + (-6)

• 2 + 6

• -2 + (-6)

• -2 + 6

Tags

CCSS.7.NS.A.1C

What is the final answer for the problem -2 - 6?

• -8

• 8

• -4

• 4

Tags

CCSS.7.NS.A.1C

When converting -2 - (-6) to an addition problem, what does it become?

• 2 + (-6)

• 2 + 6

• -2 + (-6)

• -2 + 6

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

How do you determine the sign of the answer when the signs are different?

• The sign of the number with the lower absolute value

• The sign of the number with the higher absolute value

• Always negative

• Always positive

Tags

CCSS.7.NS.A.1C

What is the result of -2 - (-6)?

• 4

• -8

• 8

• -4

Tags

CCSS.7.NS.A.1B

What does the number line visualization help to understand?

• The process of adding the opposite

• The concept of multiplication

• The concept of square roots

• The process of division

Tags

CCSS.7.NS.A.1B