ZZ: Expressions, GCF, LCM Review #1

Jamari and Phillip collect model cars. Phillip has "p" model cars. Jamari has 12 cars less than Phillip. Which expression represents the number of cars that Jamari has?

Tags

CCSS.6.EE.B.6

If x = 36, what is the value of 2(x - 8)?

(a)  

Tags

CCSS.6.EE.A.2C

Tags

CCSS.6.EE.A.2C

The ratio of Christmas trees to wreaths on the square is 12 to 20. Andrew wants to simplify this ratio. What is the greatest common factor he should use to simplify the ratio 12 to 20?

(a)  

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Paul has 42 apples and 18 oranges to put into bags to hand out at the senior center. What is the greatest number of bags he can make so that each bag is the same and no fruit is left over?

(a)  

Andy wants to rewrite the sum of 36 and 48 by factoring out their greatest common factor. Which expression shows how to do this?

• 2(18 + 24)

• 3(12 + 16)

• 6(6 + 8)

• 12(3 + 4)

There are 45 girls and 72 boys going on the field trip. The boys will be in teams and the girls will be in teams. There must be an equal number of students on each team. What is the greatest number of students that can be put on each team so that no students are left out?

(a)  

Allie is making a batch of cookies. Let c be the amount of chocolate chips needed. The amount of flour is 3 cups more than twice the amount of chocolate chips. Which expression represents the amount of flour needed?

• c + 3

• 3c

• 3 + 2c

• 2(3 + c)

Tags

CCSS.6.EE.B.6

A movie ticket costs $7.00 for children and $12.00 for adults. Which expression would find the total cost for (c) child tickets and (a) adult tickets?

• 7a + 12c

• a + c

• 19(a + c)

• 7c + 12a

Tags

CCSS.6.EE.B.6

Andrew is joining 8-foot long pipes together. Steven is joining 6 foot long pipes together. What is the shortest length at which Andrew's pipes and Steven's pipes will be the same length?

The shortest length at which they will be the same length is (a)   feet long.