Writing equations from Word Problems

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables.

Front

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

Back

It means to translate a real-world scenario described in words into a mathematical equation using variables to represent unknown quantities.

Front

Define a variable in the context of equations.

Back

A variable is a symbol, often a letter, that represents an unknown value in an equation.

Front

What is the purpose of using equations in word problems?

Back

Equations help to model relationships between quantities and allow us to solve for unknown values.

Front

How do you identify variables in a word problem?

Back

Look for quantities that are unknown or can change, often indicated by words like 'how many' or 'what is'.

Front

What is the first step in solving a word problem?

Back

Read the problem carefully to understand the scenario and identify the quantities involved.

Front

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

Back

It means to multiply the number of pants (p) by 2, represented as 2p.

Front

How do you represent '3 more than twice the number of pants' mathematically?

Back

It is represented as 2p + 3.

Front

What is the equation for Lisa's shirt purchase scenario?

Back

s = 3 + 2p, where s is the number of shirts and p is the number of pants.

Front

In Scott's Automotive problem, what does the $35 represent?

Back

It represents the fixed charge for each car serviced.