Understanding Basic Arithmetic Operations

In this video tutorial, Professor Ângela explains how to perform addition and subtraction with integers. She provides three examples, demonstrating different methods to solve expressions involving negative and positive numbers. The video covers the use of parentheses, the concept of debt and credit, and the rule of signs. The tutorial concludes with a call to action for viewers to subscribe for more educational content.

What does a negative sign in front of a number indicate?

• A positive number

• Something you owe

• Something you have

• A multiplication operation

Tags

CCSS.7.NS.A.1C

In the expression -10 + 4 - 8, what is the result after combining the debts?

• -14

• -10

• -4

• -18

Tags

CCSS.7.NS.A.1C

After combining -18 and 4 in the expression -10 + 4 - 8, what is the final result?

• -4

• -10

• -14

• 0

Tags

CCSS.7.NS.A.1D

In the expression 12 + (-7) + 15, what should be solved first?

• 12 + (-7) + 15

• (-7) + 15

• 12 + (-7)

• 12 + 15

Tags

CCSS.7.NS.A.1C

What is the result of (-7) + 15?

• 8

• -8

• 22

• -22

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

What is the final result of the expression 12 + 8?

• 24

• 4

• 20

• 16

Tags

CCSS.7.NS.A.3

In the expression -8 + (-10 + 4 - 10) + 2, what is the result of the inner parentheses?

• -16

• -6

• -10

• -4

Tags

CCSS.7.NS.A.1D

What is the result of -8 + (-6) + 2?

• -14

• -8

• -12

• -10

Tags

CCSS.7.NS.A.1B

What is the result of -8 + 8?

• 0

• -16

• -8

• 8

Tags

CCSS.RI.5.7

CCSS.RI.6.7

CCSS.RI.7.7

CCSS.RL.6.7

CCSS.RL.8.7

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• Unsubscribe from the channel

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Tags

CCSS.RI.5.7

CCSS.RL.5.7

CCSS.RL.6.7

CCSS.RL.7.7

CCSS.RL.8.7