Name: _______________________________________________________Grade & Section: ______________________ Score: ______

I. Choose the letter of the best answer. Write the letter in the space provided. NO ERASURE (learn to accept mistakes)
______1. It is a method describing a set by listing each element of the set inside the symbol { }.
a. Listing Method b. Verbal Method c. Set Builder Notation
______2. It is a method of describing a set in words.
a. Listing Method b. Verbal Method c. Set Builder Notation
______3. Two sets that contain exactly the same number of elements.
a. Cardinal Number b. Equal Set c. Equivalent Set
______4. Two sets that contain exactly the same elements.
a. Cardinal Number b. Equal Set c. Equivalent Set
______5. A set of elements that are members of both A and B.
a. Intersection b. Union c. Difference of Two Sets
______6. Set of all the elements in the universal set (U) that are not in set A.
a. Cardinal number of A b. Complement of A c. None of the choices
______7. It is a set of negative and positive whole numbers.
a. Whole numbers b. Integers c. Rational
______8. These numbers are used for counting.
a. Natural Numbers b. Whole Numbers c. Irrational Numbers
______9. These numbers are formed by adding 0 to the set of natural numbers.
a. Natural Numbers b. Whole Numbers c. Irrational Numbers
______10. The product of any two real numbers is a a real number.
a. Closure Property of Addition b. Closure Property of Multiplication c. None of the choices
______11. The sum of any two real numbers is a real number.
a. Closure Property of Addition b. Closure Property of Multiplication c. None of the choices
______12. Two real numbers can be added in any order.
a. Commutative Property of Addition b. Closure Property of Addition c. None of the choices
______13. It is a mathematical statement that contains the symbols ¿ ,< ,≥ , ≤ , or ≠ .
a. Equality b. Inequality c. Absolute Value
______14. If x is a positive integer or zero, then the absolute value of x is x.
a. True b. False c. Maybe
______15. If x is a negative integer, then the absolute value of x is the opposite of x.
a. True b. False c. Maybe

II. TRUE/FALSE: Write true if the statement is correct, otherwise, write false.
_________1. If a and b are both positive, then a+ b=|a|+|b|.
_________2. In addition Property of Zero, a + 0 = 0 + a = a, for any real number a.
_________3. In Addition Property of Opposites, a+(−a)=0 and −a+ a=0.
_________4. If we add both positive integers, find the sum and use the sign of common to both integers.
_________5. If x is a positive integer or zero, then the absolute value of x is the opposite of x.
_________6. Inverse Property of Addition is the sum of a number and its additive inverse is the identity element 0.
_________7. Inverse Property of Multiplication is the product of a number and its multiplicative inverse is the identity element 1.
_________8. Identity Property of Addition is any number added to the identity element 0 will remain unchanged.
_________9. Identity Property of Multiplication is any number multiplied by the identity element 1 will remain unchanged.
_________10. Associative Property of Multiplication if three real numbers are multiplied, it makes no difference which two are multiplied first.

III. Illustrate the following sets. Write your answer on the space provided.
Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 4, 5, 6}, B = {2, 4, 5, 6}, C = {2,4,6,8,10}
Find:
1. A ∩ B = 6. A∪(B ∩ C) =

2. A ∩ C = 7. C’ =

3. A∪B = 8. A’ =

4. A∪C = 9. B’ =

5. A ∩ (B∪C) = 10. A’ ∩ B’ =

IV. Matching Type: Match each item in Column A with the correct corresponding item in Column B. Write the letter of your answer
on the blank.
Column A Column B
______1. a ∙ 1=1 ∙ a=a a. Inverse Property of Addition
______2. a+ 0=0+ a=a b. Commutative Property of Addition
______3. (a+ b)+c=a+(b +c) c. Associative Property of Addition
______4. a+ b=b+a d. Identity Property of Addition
______5. a+(−a)=(−a)+ a=0 e. Identity Property of Multiplication
f. Closure Property of Addition

V. Compare the following integers using ¿∨¿ .

VI. Solve the following integers. Show your solutions. NO SOLUTIONS NO POINTS
1. 11+(−11)

2. −16+(−20)

3. 85+(−75)

4. −75+16

5. −35+(−10)

“Do not be afraid to challenge yourself in mathematics; the greatest discoveries happen outside your
comfort zone.”
…..Sir_Chaddy…..