Set Theory

Erin has 598 goldfish to split between 22 fish tanks. About how many goldfish are in each tank? Use compatible numbers to estimate.

• 3 goldfish in each tank
• 20 goldfish in each tank
• 12 goldfish in each tank
• 30 goldfish in each tank

Tags

CCSS.5.NBT.B.6

Estimate the quotient. Choose the best answer.
234 ÷ 41 =

• 60
• 40
• 6
• 12

Tags

CCSS.6.NS.B.2

Use compatible numbers to solve. 
287/42=?

• 7
• 70
• 8
• 80

Tags

CCSS.6.NS.B.2

CCSS.6.NS.B.3

If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∪ B?

• {3, 5, 7}
• {2, 3, 5, 7}
• {2, 3, 5, 7, 9}
• {1, 2, 3, 5, 7, 9}

Tags

CCSS.HSS.CP.A.1

If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∩ B?

• {3, 5, 7}

• {2, 3, 5, 7}

• {2, 3, 5, 7, 9}

• {1, 2, 3, 5, 7, 9}

Tags

CCSS.HSS.CP.A.1

The Universal Set = { -4, 3, -2, -1, 0, 1, 2, 3 ,4} and A = {0}.
What is the complement of A?

• {-4, -3, -2, -1, 0, 1, 2, 3}
• {-3, -2, -1, 1, 2, 3}
• {-4, -3, -2, -1, 1, 2, 3, 4}
• {-4, -3, -2, -1, 1, 2, 3}

Tags

CCSS.HSS.CP.A.1

If
P = {0, 1, 2, 3, 4}, Q = {4, 6, 8}
R = {6, 12, 18} Then what is (P ∩ Q) ∪ (Q ∩ R)?

• {4}
• {4, 6}
• {4, 6, 8}
• {1, 2, 3, 4, 6, 8}

If
A = {1, 3, 5, 15},
B = {2, 3, 5, 7}
C = {2, 4, 6, 8}
then what is (A U B) ∩ C ?
 

• {1,3,5}
• {1,2,3}
• {2,3,5}
• {2}

Tags

CCSS.HSS.CP.A.1

From the above Venn diagram, what is the set S ∩ T?

• {casey, drew, jade, glen}
• {alex, casey, drew,hunter}
• {casey, drew}
• {drew, jade}

Tags

CCSS.HSS.CP.A.1

From the above Venn diagram, what is the set (S ∪  T) ∩ V?

• {casey, drew, jade, glen}
• {alex, glen, hunter, jade}
• {casey, drew, glen}
• {drew, jade}

Tags

CCSS.HSS.CP.A.1