Understanding Ratios and Unit Rates

Express the ratio as a fraction in simplest form:
18 ounces to 3 cups

• 6 to 1
• 1/6
• 18/3
• 3/18

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

How many ways can you write a ratio

• 1
• 3
• 2
• 4

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which of the following is NOT a unit rate?

• ^{2 cars}

  1 lane

• 45 miles per hour

• 27 sandwiches in 3 weeks

• 2 tanks of gas

  1 yard

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound
• $5 per pound
• $35 per pound
• 0.125 pounds per dollar

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Your favorite restaurant sells 15 wings for $18. What is the cost per wing?

• $1.1

• $1.20

• $1.75

• $1.19

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A prime number...

• has one factor.
• has more than 2 factors.
• has 100 factors.
• has exactly 2 factors: 1 and the itself.

Tags

CCSS.4.OA.B.4

A composite number ...

• has more than 2 factors.
• has one factor.
• has at least 10 factors.
• is always a really big number.

Tags

CCSS.4.OA.B.4

2 x 2 x 2 is the prime factorization of

• 6
• 12
• 22
• 8

Tags

CCSS.6.EE.A.1

Which is a factor of 15?

• 2
• 3
• 4
• 6

Tags

CCSS.4.OA.B.4

Write 76 in prime factorization. Use a factor tree. Show your work.

• 2² x 19

• 2 x 19²

• 2 x 19

• 2² x 19²

Tags

CCSS.6.EE.A.1