Exploring Integer Operations

This video tutorial covers the rules for adding, subtracting, multiplying, and dividing positive and negative numbers. It explains the concepts of same signs and different signs for addition and subtraction, and the use of a tic-tac-toe board or sleepy face for multiplication and division. The tutorial includes several example problems to illustrate these rules and concludes with a recap of the key points.

What is the rule for adding numbers with the same sign?

• Add the numbers and change the sign

• Subtract the numbers and keep the sign

• Add the numbers and keep the sign

• Subtract the numbers and change the sign

Tags

CCSS.7.NS.A.1C

How do you handle a double negative in subtraction?

• It stays the same

• It becomes a big plus

• It becomes zero

• It becomes a big minus

Tags

CCSS.7.NS.A.1C

What is the result of 50 divided by -5?

• 5

• -5

• 10

• -10

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of -4 minus 11?

• 7

• 15

• -15

• -7

Tags

CCSS.7.NS.A.1C

What is the result of 8 times -1?

• -1

• 1

• 8

• -8

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of 5 times -5?

• -25

• 25

• 10

• -10

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of 2 plus 7?

• -5

• 5

• -9

• 9

Tags

CCSS.7.NS.A.1C

What is the result of 30 divided by -6?

• 6

• 5

• -5

• -6

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What happens when you have two signs that disagree in a row?

• It becomes positive

• It becomes negative

• It stays the same

• It becomes zero

Tags

CCSS.7.NS.A.1C

What is the rule for subtracting numbers with different signs?

• Add the numbers and keep the sign

• Subtract the numbers and keep the sign

• Add the numbers and change the sign

• Subtract the numbers and change the sign

Tags

CCSS.7.NS.A.1C