Subtracting Positive Integers from Negative Integers

In this video, Mr. J explains how to subtract a positive integer from a negative integer by adding the opposite. He demonstrates this concept with two examples: negative 8 minus 7 and negative 13 minus 20. By converting subtraction into addition of the opposite, the problems become negative 8 plus negative 7 and negative 13 plus negative 20, resulting in negative 15 and negative 33, respectively. The video emphasizes that subtracting a positive integer decreases the value.

What is the main topic discussed in the video?

• Subtracting a positive integer from a negative integer

• Adding two positive integers

• Dividing a positive integer by a negative integer

• Multiplying two negative integers

Tags

CCSS.7.NS.A.1C

What is the first step in the strategy to subtract a positive integer from a negative integer?

• Multiply the integers

• Add the integers directly

• Add the opposite of the positive integer

• Subtract the negative integer

Tags

CCSS.7.NS.A.1B

In the example of negative eight minus seven, what is the equivalent addition problem?

• Eight plus seven

• Negative eight plus seven

• Negative eight plus negative seven

• Eight plus negative seven

Tags

CCSS.7.NS.A.1C

What is the result of negative eight plus negative seven?

• Zero

• Negative one

• Negative fifteen

• Positive fifteen

Tags

CCSS.7.NS.A.1C

What happens to the value when you subtract a positive integer from a negative integer?

• It increases

• It becomes positive

• It stays the same

• It decreases

Tags

CCSS.7.NS.A.1B

In the example of negative thirteen minus twenty, what is the equivalent addition problem?

• Thirteen plus twenty

• Thirteen plus negative twenty

• Negative thirteen plus negative twenty

• Negative thirteen plus twenty

Tags

CCSS.7.NS.A.1C

What is the result of negative thirteen plus negative twenty?

• Positive thirty-three

• Zero

• Negative seven

• Negative thirty-three

Tags

CCSS.7.NS.A.1C

What is the final answer for the problem negative thirteen minus twenty?

• Negative thirty-three

• Negative seven

• Positive thirty-three

• Zero

Tags

CCSS.7.NS.A.1C

What is the key takeaway from the video regarding subtracting a positive integer from a negative integer?

• The value increases

• The value becomes positive

• The value decreases

• The value remains unchanged

Tags

CCSS.7.NS.A.1C

What should you remember when subtracting a positive integer from a negative integer?

• The result is a decrease in value

• The result is always positive

• The result is always zero

• The result is an increase in value

Tags

CCSS.7.NS.A.1C