Module 1 Mastery Check 1

In a trivia game, Levi answered 8 questions correctly out of 10 turns in the game. He then answered the next three questions correctly. He reasoned that because he added 3 to both the total questions and his correct responses, the ratio of correct answers to total questions remained the same. Is he correct?

• Yes

• No

• Sometimes

• Not enough information

Tags

CCSS.6.RP.A.3A

What was Levi's original ratio of correct answers to total questions?

• 4:10

• 6:10

• 8:10

• 10:10

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is Levi's new ratio of correct answers to total questions after answering the next three questions correctly?

• 11:13

• 11:12

• 11:11

• 11:10

Mrs. Santiago is buying doughnuts for her office. Each box contains 6 glazed, 4 cream filled, and 2 chocolate flavored doughnuts. If there were 20 total cream filled doughnuts, how many chocolate doughnuts did she buy?

• 5

• 10

• 15

• 20

Tags

CCSS.3.OA.A.3

Fill in the blanks using the available answer choices. Kenji has earned 3 tokens and 5 gold coins playing a video game. Lars has earned 4 tokens and 6 gold coins. Lars thinks that the ratio of tokens to gold coins for both players is the same because they each have 2 more gold coins than tokens. Is the same ratio of tokens to gold coins maintained? Justify your response. ________; Kenji's ratio is __________ : __________ and Lars's ratio is __________ : __________.

• no; 3 : 4 and 4 : 6

• yes; 3 : 4 and 4 : 5

• yes; 3 : 5 and 4 : 6

• no; 3 : 5 and 4 : 5

• yes; 3 : 6 and 4 : 6

Tags

CCSS.6.RP.A.3A

Fill in the blanks using the available answer choices. There are 15 girls and 11 boys in Sammy's homeroom. In Katrina's homeroom, there are 14 girls and 10 boys. The ratio of girls to boys in Sammy's homeroom is __________ : __________. The ratio of girls to boys in Katrina's homeroom is __________ : __________. The ratios __________ the same.

• 15 : 11 and 14 : 11; are not

• 15 : 11 and 14 : 10; are not

• 15 : 10 and 14 : 11; are

• 14 : 11 and 15 : 10; are

• 15 : 11 and 14 : 10; are

Tags

CCSS.6.RP.A.3A

What is the ratio of toy airplanes to stuffed animals?

• 7:15

• 15:7

• 11:7

• 7:11

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of stuffed animals to posters?

• 15:11

• 11:15

• 7:11

• 11:7

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Fill in the blanks using the available answer choices. The table shows the number of coins in a change jar. The ratio of dimes to quarters is __________ : __________.

• 15 : 25

• 10 : 20

• 5 : 10

• 20 : 30

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

At soccer practice, Tony made 6 goals in 8 penalty kick attempts. He then successfully scored a goal on each of his next 2 attempts. He reasoned that because he added 2 to both the number of goals scored and the number of attempts, that the ratio of goals made to penalty kick attempts remained the same. Is he correct?

• yes

• no

• maybe

• not enough information