Adding Integers and Their Signs

The video tutorial explains how to add integers by working from left to right, using both a money analogy and formal rules. It covers examples of adding integers with different and same signs, emphasizing the importance of absolute values and sign determination. The tutorial provides two examples: one with negative integers and another with mixed signs, illustrating the process of determining the sum step-by-step.

What is the first step in determining the sum of several integers?

• Work from left to right, one sum at a time.

• Work from right to left.

• Subtract the integers first.

• Add all integers at once.

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CCSS.7.NS.A.1C

When adding negative 6 and positive 4, what is the result?

• Positive 2

• Zero

• Negative 10

• Negative 2

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CCSS.7.NS.A.1C

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

• The sign of the smaller absolute value.

• The sign of the larger absolute value.

• Always negative.

• Always positive.

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CCSS.7.NS.A.1C

What is the sum of negative 2 and negative 7?

• Negative 9

• Negative 5

• Positive 9

• Zero

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CCSS.7.NS.A.1C

When adding integers with the same sign, what should you do?

• Multiply their absolute values.

• Add their absolute values and keep the sign.

• Subtract their absolute values.

• Ignore the signs.

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CCSS.7.NS.A.1C

What is the result of adding positive 11 and negative 2?

• Positive 9

• Negative 9

• Positive 13

• Negative 13

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CCSS.7.NS.A.1C

What is the sum of positive 9 and negative 5?

• Negative 4

• Negative 14

• Positive 4

• Positive 14

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CCSS.7.NS.A.1C

What is the final result of the second example involving positive 9, negative 5, and 3?

• Negative 7

• Positive 7

• Positive 17

• Negative 17

Tags

CCSS.7.NS.A.1C