Topic 5: End of topic review

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CCSS.7.EE.B.4A

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If Daniel knows 18 knots and needs to learn at least 35 knots, what inequality represents the knots he still needs to learn?

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What equation can be used to find Moesha's hourly earnings if she needs $80 for a trip, already has $22, and can earn the rest by babysitting for 8 hours?

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CCSS.HSA.CED.A.3

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5 days

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What is an inequality?

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An inequality is a mathematical statement that compares two expressions, showing that one is greater than, less than, or not equal to the other.

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CCSS.6.EE.B.8

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Define a variable in the context of an equation.

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A variable is a symbol, often represented by a letter, that stands for an unknown value in an equation.

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CCSS.6.EE.A.2B

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What does it mean to solve an equation?

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To solve an equation means to find the value(s) of the variable(s) that make the equation true.

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CCSS.8.EE.C.7B

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What is the difference between an equation and an inequality?

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An equation states that two expressions are equal, while an inequality shows that one expression is greater than or less than another.

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CCSS.6.EE.B.8

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Subtract 6 from both sides to isolate the term with the variable.

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CCSS.7.EE.B.4A