Mathematics 7th thru 8th

How many possible ways can we store three lemonades, four mineral waters, and two juices in the refrigerator next to each other?

• 5040

• 2520

• 1260

• 720

Tags

CCSS.HSS.CP.B.9

Jon's front porch is 8 feet wide and 12 feet long. Jon wants to stain the wood on the porch next weekend. The stain costs $1.00 per square foot. How much will it cost to buy enough stain for the whole porch?

• $80

• $96

• $100

• $120

Tags

CCSS.6.G.A.1

What is the perimeter of a quadrilateral whose first side is 3 cm longer than the second side, the third side is 5 cm shorter than the fourth side, and the second side is 2 cm shorter than the fourth side?

• 20 cm

• 24 cm

• 28 cm

• 32 cm

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

The edge lengths of a quadrilateral prism are in the ratio a: b: c = 2:4:5. The surface of the prism is 57 cm². Calculate the volume.

• 20 cm³

• 25 cm³

• 30 cm³

• 35 cm³

Tags

CCSS.6.G.A.2

CCSS.6.RP.A.1

The average of a set of 7 numbers is 20. The average of a second set of 13 numbers is 40. What is the mean of all 20?

• 30

• 32

• 34

• 36

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

A man bought a pig for € 65, then sold it for € 75. Then again bought it for € 90 and sold it for € 100. How much € earned?

• € 10

• € 20

• € 15

• € 25

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.1

CCSS.7.NS.A.3

The A gym offers two packages for yearly memberships. The first plan costs $50 to be a member. Then, when you visit the gym, it is $5 to get in. The second plan costs $200, but it only costs $2 to get in each time you visit. How many visits would it take to make the second plan the better choice?

• 50 visits

• 75 visits

• 100 visits

• 150 visits

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.4

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Six hundred pencils we want to be divided into three groups. The biggest groups have ten pens more than the smallest. How many ways can this be done?

• 1 way

• 2 ways

• 3 ways

• 4 ways

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.RP.A.1

CCSS.6.RP.A.3

Loggers wanted to seed more than 700 and less than 800 trees. If they seed in rows of 37, leave them eight trees. If they seed in rows of 43, left the 11 trees. How many trees must seed?

• 721

• 754

• 765

• 789

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.B.8

3 children pulled 9 different toys from a box. How many ways can toys be divided, so each child has at least one toy?

• 84

• 90

• 120

• 150

Tags

CCSS.HSS.CP.B.9