Understanding Number Opposites and Absolute Value

The video tutorial introduces two key mathematical concepts: number opposites and absolute value. Number opposites involve understanding that each number has an opposite, which is the same distance from zero on the number line but in the opposite direction. Adding a number and its opposite results in zero. Absolute value, on the other hand, measures how far a number is from zero, always yielding a positive result. The tutorial explains these concepts with examples, emphasizing their importance in solving problems involving negative numbers.

Why is it important to learn about number opposites and absolute value?

• They are only used in advanced mathematics.

• They help in solving problems involving negative numbers.

• They are only useful for addition problems.

• They are not applicable in real-world scenarios.

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What is the opposite of the number 5?

• 0

• 5

• -5

• 10

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What happens when you add a number to its opposite?

• You get the number itself.

• You get a negative number.

• You get a positive number.

• You get zero.

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What is unique about the number 0 in terms of opposites?

• It has no opposite.

• It is its own opposite.

• Its opposite is 1.

• Its opposite is -1.

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How do you find the opposite of a negative number?

• Add 1 to it.

• Subtract 1 from it.

• Change its sign to positive.

• Multiply it by 2.

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What does the absolute value of a number represent?

• The opposite of the number.

• The distance from zero on the number line.

• The square of the number.

• The number itself.

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What is the absolute value of -7?

• 14

• 7

• 0

• -7

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Which of the following is always true about absolute values?

• They are always negative.

• They are always positive.

• They can be either positive or negative.

• They are always zero.

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What is the absolute value of 0?

• 0

• Undefined

• 1

• -1

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How do you solve the absolute value of 3 plus 2?

• 1

• 0

• 5

• 6

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