Writing Algebraic Equations

Write this as an expression:

$6 less than the cost of an Xbox (x)

Translate to an algebraic equation:

12 increased by g is the same as 25

Select the examples that are algebraic equations

• 15 + x = 26

• 20 + 88 = x

• 10y

• 7m = 49

Ted bought a dolphin poster for $12.  He now has $5.  Which choice models this situation?

• m - 12 = 5

• m - 5 = 12

• m + 5 = 12

• m + 12 = 5

Which choice models this situation?

Robyn had some video games, then bought 4 more.  Now she has a total of 10 games.

• v - 4 = 10

• v + 4 = 10

• 10/4 = v

• 4v = 10

Q. 5.  After dropping 5ºF, the temperature was 37ºF.  Which choice models this situation?

answer choices

d - 37 = 5

d + 5 = 37

d - 5 = 37

d + 37 = 5

• d - 37 = 5

• d + 5 = 37

• d - 5 = 37

• d + 37 = 5

Which choice models this situation? Marcus needs to sell 25 tickets to a fundraiser by Friday. So far, he has sold 9 tickets. How many tickets does he still need to sell?

• t - 9 = 25

• t + 9 = 25

• 9t = 25

• t/9 = 25

Which choice models this situation?

Taylor has read 125 pages in a book. The book has a total of 262 pages. How many pages does she have left to read to finish the book?

• p - 125 = 262

• p + 125 = 262

• 125p = 262

• p/125 = 262

Which choice models this situation?

At Pierce County Middle School, there are 5 art classes with 24 students in each class. How many students altogether are in the art classes?

• s - 5 = 24

• s + 5 = 24

• 5s = 24

• s/5 = 24

Which choice models this situation?

Jack needed new pencils for school today. He took 6 pencils from a new box of pencils. If there are 18 pencils left in the box, how many pencils were in the brand new box?

• p - 6 = 18

• p + 6 = 18

• 6p = 18

• p/6 = 18