Creating and solving equations

Presentation

•

Mathematics

•

7th Grade

•

Medium

E. Smith

Used 15+ times

FREE Resource

4 Slides • 10 Questions

Creating and solving equations

Ms Smith's ELT
9.03.20

Poll

What part of word problems do you find most difficult?

Figuring out what I'm solving for.

Pulling out the important information.

Creating the equation.

Solving the equation for the variable.

Nothing, I enjoy word problems

Read and think about the following:

Sara has 31 books in her library. She bought several books at a yard sale over the weekend. She now has 54 books in her library. How many books did she buy at the yard sale ?

Multiple Choice

Sara has 31 books in her library. She bought several books at a yard sale over the weekend. She now has 54 books in her library. How many books did she buy at the yard sale ?

What are we solving for? What does the variable represent?

How many books does she have?

How many books did she buy at the yard sale?

How many book did she give away?

Multiple Choice

Sara has 31 books in her library. She bought several books at a yard sale over the weekend. She now has 54 books in her library. How many books did she buy at the yard sale ?

Write an equation that represents the scenario

54-31 = x

31 + x = 54

x + 54 = 31

54 + 31 = x

Fill in the Blanks

Type answer...

Read and think about the following:

Sam received sixty - three dollars for his birthday. He went to a sporting goods store and bought a baseball glove, baseball, and bat. He had thirty dollars left over, how much did he spent on the baseball gear ?

Fill in the Blanks

Type answer...

Read and think about the following:

Nancy sold half of her comic books and then bought 7 more. She now has 16. How many did she begin with ?

Multiple Choice

Nancy sold half of her comic books and then bought 7 more. She now has 16. How many did she begin with ?

What equation best represents the scenario?

$\frac{x}{2}-7\ =\ 30$

16 - x = 7

$\frac{x}{7}+\ 16\ =\ 30$

$\frac{x}{2}+7=16$

Fill in the Blanks

Type answer...

Multiple Choice

Sandy bought a soft drink for 4 dollars and 6 candy bars. She spent a total of 16 dollars. How much did each candy bar cost ?

$2.50

Multiple Choice

Stonecrest Bike Rental Shop charges a 11 dollar fixed fee plus 6 dollars an hour for renting a bike. Riley paid 41 dollars to rent a bike. How many hours did he pay to have the bike checked out ?

Which equation best represents the scenario?

41 = 6(11)

6x + 11 = 41

$\frac{x}{6}+\ 11=\ 41$

11 - 6x = 41

Multiple Choice

Stonecrest Bike Rental Shop charges a 11 dollar fixed fee plus 6 dollars an hour for renting a bike. Riley paid 41 dollars to rent a bike. How many hours did he pay to have the bike checked out ?

2 hours

6 hours

5 hours

3 hours

Creating and solving equations

Ms Smith's ELT
9.03.20

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