Order of Operations

Mr. Fernandez packed apples into a boxes. He used this equation to find x, the number of apples he packed into all the boxes

x = (31 + 41)8

How many apples did he pack into the boxes?

This equation can be used to find b, the number of dollars Ms. Pratt earned as a sales bonus last week:

b = 429 - (39 x 9)

What was the amount of Ms. Pratt's bonus?

A basketball team scored points by making baskets worth different amount of points during a game. This equation can be used to find p, the number of points the team scored during the game:

p = 9(3) + 17(2) + 19

What was the total number of points the team scored for the game?

An elementary school had 90 boxes of glue sticks. Each box had 36 glue sticks. Teachers put all the glue sticks into bags to give to their students. Each bag had 6 glue sticks. Which equation can be used to find b, the number of bags the teachers can fill to give to the students?

• 36 x 90 + 6

• 36 x 6 x 90

Three friends rode their bikes last week. Christine rode her bike 27 kilometers. Philip rode his bike 12 kilometers less than Christine. Nathan rode his bike 3 times as far as Philip.

Which equation represents n, the distance Nathan rode his bike?

• (27 + 12) x 3

• (27 - 12) x 3

A family spent $93 at a carnival. They spent $18 on admission tickets and $36 on food. They spent the rest of the money on games. Which equation can be used to find g, the amount of money the family spent on games?

• 93 = g + 36 - 18

• 93 = 18 + 36 - g

• 93 = 36 - 18 - g

• 93 = g + 36 + 18

Mr. Gonzalez is putting up a fence around his yard. The perimeter of his yard is 144 feet. Each section of the fence is 4 feet long and costs $12 each.

Which equation can Mr. Gonzalez use to find f, the cost of the sections of fence he needs for his yard?

• (12 x 4) x 144

Pedro ordered 24 boxes of baseballs. Each box contained 16 baseballs. Pedro used 8 of these baseballs during a game. Which equation can be used to find b, the total number of these baseballs that Pedro did not use during the game?

• b = (24 + 16) - 8

• b = (24 x 16) - 8

• b = (24 x 16) + 8