Middle School Two Step Equations

3w = 15

-14 = j - 20

Pine Mountain Middle School has 158 fewer students enrolled than Wellington Middle School. If Pine Mountain Middle School has 1039 students enrolled, choose the correct equation to find the number of students enrolled at Wellington Middle School?

• w + 158 = 1039

• 158w = 1039

• w - 158 = 1039

• 1039 - 158 = w

a mathematical sentence stating that two expressions are equal

• term

• coefficient

• equation

• variable

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? Lisa finished a race in 58 seconds. This was 4 seconds faster than her best practice time. What was Lindsey's best practice time?

• t + 4 = 58

• t - 4 = 58

• 4t = 58

• t/4 = 58

Which choice models this situation?
Last week, Tina worked 35 hours in 5 days. She worked the same number of hours each day. How many hours did she work each day?

• h - 5 = 35

• h + 5 = 35

• 5h = 35

• h/5 = 35

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

Which choice models this situation? Anna participated in a read-a-thon. Mr. Cole pledged $4 per book and gave Anna $44. How many books did Anna read?

• b - 4 = 44

• b + 4 = 33

• 4b = 44

• b/4 = 44

Write an equation models the following statement:
 17 less than h equals 42

• 17-h=42

• h-17=42

• h+17=42

• 17+h=42