Writing Equations from Word Problems

Front

What is a variable in an equation?

Back

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

Front

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

Back

It means to translate the information given in the problem into a mathematical equation that can be solved.

Front

How do you identify the unknown in a word problem?

Back

Look for the quantity that is not given and needs to be found, often indicated by phrases like 'how much' or 'what is'.

Front

What is the first step in solving a word problem?

Back

Read the problem carefully to understand what is being asked and identify the relevant information.

Front

What does the equation 14.30 + 10p = 26 represent?

Back

It represents the total amount of money Amy had after buying 10 pens, where p is the cost of each pen.

Front

How can you check if your equation is correct?

Back

Substitute the value of the variable back into the equation to see if both sides are equal.

Front

What is a tape diagram?

Back

A visual representation that helps to illustrate the relationships between quantities in a word problem.

Front

How do you set up an equation for dividing a total bill among friends?

Back

Multiply the amount each person pays by the number of people to find the total bill.

Front

What does the equation 350 = 270 + 8h represent?

Back

It represents Jim's total earnings, where 270 is his tips and 8h is his earnings from hours worked.

Front

What is the purpose of using equations in word problems?

Back

To find unknown values by establishing relationships between known quantities.