Exploring Adding Integers in PreAlgebra

The video tutorial explains how to add integers, focusing on both same and different sign scenarios. It uses a battle analogy to demonstrate how integers with the same sign add to each other's strengths, while integers with different signs result in 'casualties'. The tutorial provides rules for adding integers, emphasizing the use of absolute values and the sign of the larger number.

What role does zero play in the analogy of adding integers?

• Zero represents the battleground.

• Zero is a spectator.

• Zero is the referee.

• Zero acts as a team captain.

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CCSS.7.NS.A.1C

When adding -7 and -2, what is the result?

• -5

• 9

• -9

• 5

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CCSS.7.NS.A.1C

What is the result of adding positive 12 and positive 4?

• Positive 8

• Negative 8

• Negative 16

• Positive 16

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CCSS.7.NS.A.1C

What happens when a positive integer and a negative integer are added?

• They form a larger negative number.

• They cancel each other out.

• They form a larger positive number.

• Nothing happens.

Tags

CCSS.7.NS.A.1C

What is the outcome of the battle between -5 and +3?

• Positive 2

• Negative 2

• Positive 8

• Zero

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CCSS.2.OA.A.1

In the battle analogy, what happens to the team with fewer members?

• They automatically win.

• They are eliminated, and the result shows the remaining members of the larger team.

• The game is considered a draw.

• They become spectators.

Tags

CCSS.7.NS.A.1C

When adding -25 and +30, what is the final result?

• Negative 5

• Negative 55

• Positive 5

• Positive 55

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CCSS.7.NS.A.1B

What is the result of adding -6 and +6?

• Positive 6

• Zero

• Negative 12

• Positive 12

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CCSS.7.NS.A.1C

How do you determine the sign of the result when adding two integers with different signs?

• The sign of the number with the smaller absolute value.

• Always positive.

• The sign of the number with the larger absolute value.

• Always negative.

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CCSS.7.NS.A.1B

What does subtracting the absolute values of two integers with different signs accomplish?

• Determines the winning team.

• Calculates the total number of casualties.

• Helps to find the result of the addition.

• Changes the sign of the integers.

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CCSS.7.NS.A.1B