Word Problems

Front

What is a word problem?

Back

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 find a solution.

Front

How do you identify the unknown in a word problem?

Back

The unknown is typically represented by a variable (like x) and is the quantity you need to find. Look for phrases that indicate what is being asked.

Front

What is the first step in solving a word problem?

Back

The first step is to read the problem carefully and identify the key information, including the known values and what you need to find.

Front

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

Back

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

Front

What is the equation for the problem: 'You bought a magazine for $5 and four erasers. You spent a total of $29. How much did each eraser cost?'

Back

-5 - 4x = -29

Front

How do you solve the equation 4 + 9x = 472?

Back

Subtract 4 from both sides to get 9x = 468, then divide by 9 to find x = 52.

Front

What is the equation for the problem: 'Aliyah had $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?'

Back

24 - 7x = 10

Front

How do you find the total amount of money before a purchase?

Back

Add the cost of the item to the amount of money left after the purchase.

Front

What is the equation for the problem: 'After paying $5.12 for a salad, Norachai has $27.10. How much money did he have before buying the salad?'

Back

n - $5.12 = $27.10

Front

What does '10 less than one third of my age is 11' mean in equation form?

Back

(1/3)x - 10 = 11, where x is Jason's age.