Exploring Integer Operations in 7th Grade Math

The video tutorial explains integer operations through real-world examples. It covers how to calculate changes in a bank account, video game scores, and savings using negative numbers. The tutorial also demonstrates simplifying expressions with negative numbers and division. Each example illustrates the application of integer operations in practical scenarios.

What does a negative number represent in the context of Hanna's bank account?

• Withdrawal

• Deposit

• Balance

• Interest

Tags

CCSS.6.NS.C.5

What operation represents Hanna's four withdrawals of $20 each?

• -4 x 20

• 4 x (-20)

• 4 x 20

• 4 + (-20)

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CCSS.7.EE.B.3

How much did Hanna's account decrease after the withdrawals and writing the check?

• $295

• $110

• $215

• $80

Tags

CCSS.7.EE.B.3

What mathematical operation is used to combine the losses from the video game and the bonus points?

• Subtraction

• Addition

• Division

• Multiplication

Tags

CCSS.7.NS.A.1C

How much did Reggie's score change after losing points for spaceships and earning a bonus?

• 90 points

• 110 points

• -90 points

• 200 points

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CCSS.7.NS.A.3

What is the result of simplifying -6 x 13 - 21?

• 78

• -99

• 99

• -78

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CCSS.7.NS.A.2C

How does adding two negative numbers together affect the result?

• It becomes positive

• It decreases further

• It remains unchanged

• It doubles

Tags

CCSS.7.NS.A.1C

If the three brothers borrowed $72 in total, how much does each need to pay back?

• $18

• $36

• $72

• $24

Tags

CCSS.3.OA.A.3

How much does the youngest brother's savings decrease after paying back his share and the additional $15?

• $15

• $39

• $33

• $72

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CCSS.3.OA.D.8

What would the youngest brother's payment be if there were four brothers instead of three?

• $24

• $33

• $15

• $18

Tags

CCSS.3.OA.A.3