One Step Equations - Lesson

One Step Equations - WORD PROBLEMS

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What does an equation have?

• variable

• numbers

• operations

• equal sign

How do you locate these parts of the equation given a word problem?

• variable (what is the problem asking you to find)

• numbers (what do these numbers mean?)

• operations (think of key words)

• equal sign (is/total)

Multiple Choice

Andrew has saved $55 toward the purchase of a new phone. The phone is a total cost of $145. Write an equation represents the amount Andrew needs to save to buy the phone?

What is the question asking us to find? (This is our variable, x)

• Amount he needs to save

• Cost of his new phone.

• Amount he has saved

Multiple Choice

Andrew has saved $55 toward the purchase of a new phone. The phone is a total cost of $145. Write an equation represents the amount Andrew needs to save to buy the phone?

What do the numbers mean? (These are the numbers in our equation.)

• $55 is the amount he needs to save

  $145 is the amount he has

• $55 is the amount he has

  $145 is the amount he needs

Multiple Choice

Andrew has saved $55 toward the purchase of a new phone. The phone is a total cost of $145. Write an equation represents the amount Andrew needs to save to buy the phone?

Can you determine which would be the number that is the total; the number that would be after the equal sign?

• 55

• 145

Multiple Choice

Andrew has saved $55 toward the purchase of a new phone. The phone is a total cost of $145. Write an equation represents the amount Andrew needs to save to buy the phone?

• 55 + x = 145

• 145x = 55

• 55 - x = 145

• 145 (55) = x

How do you locate these parts of the equation given a word problem?

• variable (what is the problem asking you to find)

• numbers (what do these numbers mean?)

• operations (think of key words)

• equal sign (is/total)

Multiple Choice

Joey and four of his friends went out to eat. They decided to split the bill evenly. The total each person paid was $11.13. What was the total bill?

What are you looking for? This is your variable (d)

• d = amount each person paid

• d = the number of people that ate

• d = total amount of the bill

Multiple Choice

Joey and four of his friends went out to eat. They decided to split the bill evenly. The total each person paid was $11.13. What was the total bill? Write an equation you could use to solve this equation. Use d as your variable.

Is $11.13 the only other number needed to solve this equation?

• YES

• NO

Multiple Choice

Joey and four of his friends went out to eat. They decided to split the bill evenly. The total each person paid was $11.13. What was the total bill? Write an equation you could use to solve this equation. Use d as your variable.

What are the values/numbers needed to solve this equation...and what do they mean?

• $11.13 - cost for each person

  5 - total number that are eating

• $11.13 - cost for each person

  4 - total number that are eating

Multiple Choice

Joey and four of his friends went out to eat. They decided to split the bill evenly. The total each person paid was $11.13. What was the total bill? Write an equation you could use to solve this equation. Use d as your variable.

What are the values/numbers needed to solve this equation...and what do they mean?

• $11.13 - cost for each person

  5 - total number that are eating

• $11.13 - cost for each person

  4 - total number that are eating

Multiple Choice

Joey and four of his friends went out to eat. They decided to split the bill evenly. The total each person paid was $11.13. What was the total bill? Write an equation you could use to solve this equation. Use d as your variable.

Is $11.13 the only other number needed to solve this equation?

• YES

• NO

Multiple Choice

Joey and four of his friends went out to eat. They decided to split the bill evenly. The total each person paid was $11.13. What was the total bill? Write an equation you

could use to solve this equation. Use d as your variable.

5 friends

total bill was split evenly

d = total bill

each paid $11.13

Can you create an equation?

• no

• yes

Multiple Choice

Joey and four of his friends went out to eat. They decided to split the bill evenly. Each person paid $11.13. What was the total bill? Write an equation you could use to solve this equation. Use d as your variable.

• d/4 = $11.13

• 4d = $11.13

• d/5 = $11.13

• 5d = $11.13