Word Problems- solving equations

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What is a word problem in mathematics?

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A word problem is a mathematical problem that is presented in the form of a narrative or story, requiring the reader to extract relevant information and formulate an equation to solve it.

Tags

CCSS.8.EE.C.7B

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How do you identify the variables in a word problem?

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Variables are typically represented by letters (like x) and are identified by determining what quantity is unknown and needs to be solved.

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CCSS.6.EE.B.6

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What does it mean to write an equation from a word problem?

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Writing an equation from a word problem involves translating the information given in the problem into a mathematical expression that can be solved.

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CCSS.7.EE.B.4A

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What is the first step in solving a word problem?

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The first step is to read the problem carefully and identify the key information, including the question being asked and the quantities involved.

Tags

CCSS.8.EE.C.7B

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How do you represent a total cost in an equation?

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A total cost can be represented by adding the costs of individual items or services, often in the form of an equation like: total cost = cost per item * number of items + fixed costs.

Tags

CCSS.8.EE.C.7B

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What is the equation for Mallory's pizza and soda problem?

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10.95x + 12.57 = 89.22, where x is the number of pizzas.

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CCSS.HSA.CED.A.3

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How can you express a relationship between two quantities in an equation?

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You can express a relationship by using mathematical operations (addition, subtraction, multiplication, division) to relate the two quantities, often resulting in an equation.

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CCSS.6.EE.C.9

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What does 'twice the number of goals' mean in mathematical terms?

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'Twice the number of goals' means to multiply the number of goals by 2, often represented as 2x, where x is the number of goals.

Tags

CCSS.6.EE.B.6

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What is the equation for Emma's goals problem?

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2x + 1 = 15, where x is the number of Nick's goals.

Tags

CCSS.HSA.CED.A.3

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How do you set up an equation for expenses involving fixed and variable costs?

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You set up the equation by adding the fixed cost to the product of the variable cost per item and the number of items.

Tags

CCSS.8.EE.C.7B