Unit 8 skills quiz

A neuroscientist is growing cells in 6 different Petri dishes. Each Petri dish has 9 cells in it. Write the expression modeled by the tape diagram, and solve for the total number of cells.

Mrs. Smith wrote an equation on the whiteboard for the students in her class to solve. What number does the letter P represent to make the equation true?

Determine the number that replaces the question mark to make the equation true: 7 × ? = 77

Determine the number that replaces the question mark to make the equation true: 12 = ? ÷ 5

Determine the number that replaces the question mark to make the equation true: ? × 8 = 64

Draw a model or write an equation to solve the word problem: Freddie collected seashells on his beach vacation. He collected 8 shells each morning. If Freddie was on the beach 6 days, how many seashells did he collect?

Draw a model or write an equation to solve the word problem: Joan was painting ceiling tiles in her room. She used 6 different colors (red, blue, green, brown, yellow, and black). She used each color an equal number of times. Joan’s ceiling has 36 tiles. How many tiles did she paint blue?

Draw a model or write an equation to solve the word problem: Gerard ran a total of 12 miles over a week. Gerard ran each mile in 6 minutes. How many minutes did he spend running during the week?

Draw a model or write an equation to solve the word problem: Rogelio makes paper flowers every day. Rogelio told his teacher that he has been making these flowers for one week. If Rogelio makes 9 flowers a day, how many has he made?

Draw a model or write an equation to solve the word problem: Kim’s dad owns a used-car lot. He has 45 cars and trucks on his lot. His goal is to sell 5 vehicles per day. If Kim’s dad makes his goal, how many days will it take him to sell all the vehicles on his lot?