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WorksheetsG7Q1_Review_Activity
Total questions: 40
Worksheet time: 1hrs 20mins
It is an operation on sets that contains all elements of both sets without repeating element/s.
Complement of a Set
Difference of Two Sets
Intersection of Sets
Union Sets
It is an operation on sets that contains elements that are common to both sets.
Complement of a Set
Difference of Two Sets
Intersection of Sets
Union Sets
It is an operation on sets that contains elements that belongs to set A, but do not belong to set B.
Complement of a Set
Difference of Two Sets
Intersection of Sets
Union Sets
What does this symbol ( ∪ ) represent in set theory?
Union
Intersection
Disjointed
Subset
These are elements that are common in set B and set C
These are all the members of set A and set B
It is the region where set B and set C overlapped
An intersection of set B and set C.
What is the cardinality of set H,
H = {w, o, n, d, e, r, f, u, l}
10
9
8
7
It is an operation on Sets that contains elements that are in the universal set, but NOT in the given set.
Complement of a Set
Difference of Two Sets
Interesection of Sets
Union Sets
"The set of honest people" is a _____set.
well-defined
not well-defined
Another term for member/s of a set.
element
set
set notation
roster method
Which is the set builder form of :
A=Set of first five natural numbers.
A={ 1,2,3,4,5}
A={x|x ∈ N, less than 5}
A={x|x ∈ N, less than and equal to 5}
A=Set of first five natural numbers.
Given the sets
A = {2, 3, 4, 5} and B = {2, 4, 5, 6}
What is A∪B ?
{2, 4, 5}
{2, 3, 4, 5}
{2, 4, 5, 6}
{2, 3, 4, 5, 6}
Given the sets
A = {a, b, c, d, e} and B = {a, c, d, f}
What is A ∩ B ?
{a, c, d}
{a, b, c,d e, f}
{b, e}
{f}
Given the sets
U = {a, b, c, d, e, f, g, h, i, j}
A = {a, c, e, g, i} and B = {b, c, d, e, f}
What is B′ ?
{a, b, c, d, e, f, g, i}
{b, d, f, h}
{a, g, h, i, j}
{c, e}
M = {x|x is a letter in a word "FACE"}
N = {x|x is a letter in a word "SAFE"}
M and N are _____ sets.
Equivalent
Equal
P = {x|x is a letter in a word "Challenging"}
5
6
7
8
Which of the following is NOT a true statement about real numbers?
N⊆W⊆Z⊆Q⊆R
W = {1,2,3,4, ...}
Natural numbers are positive integers.
Irrational numbers are non-terminating and non-repeating decimal numbers.
Which of the following is NOT a subset of integers?
Positive numbers
Whole numbers
Zero
Natural numbers
Which of the following is a possible value of m in m+(–3) > 9?
-6
9
12
15
Find n: |n+4|=9
5
-13
A or B
no solution
The absolute value of two numbers are equal. Their product is –196. What are the numbers?
13, -13
14, -14
-7, 28
13, -14
Simplify: (–21) – 12 – (–9)
-32
-24
9
18
What would be the sign of the product of twelve -5’s, nine 2’s and three -1’s?
None
Positive
Negative
Cannot be determined
Find the product of (–99)( –98) (–97)… (97)(98)(99)(100).
-9900
9900
zero
cannot be determined
Simplify
5−10∣45−50∣+42 −(−10)-3
2
3
4
Simplify: –3(5 – 4)(5 – 7)+( –1)2005(–8)
- 14
- 2
2
14
Simplify: 5(1 – 3)2+(–1)2011 – (–1)2012
- 22
- 18
18
20
Express the quotient of 23 and 90 in decimal form
0.25
0.25
0.25
0.256
Which of the following has greatest value?
0.12
9011
0.12
507
Which of the following is NOT a true statement about rational numbers?
Rational number is denoted by Q
Zero is a rational number
3 is an example of a rational number.
Rational numbers are terminating and repeating decimal numbers.
What two consecutive integers does
271 lies?15 and 16
16 and 17
17 and 18
18 and 19
What integer is between
589 and 650 ?23
24
25
26
Which statement is TRUE?
All integers are whole numbers.
All integers are rational numbers.
All real numbers are rational numbers.
Irrational numbers are NOT real numbers.
What property justifies the equation below?
Commutative Property of Addition
Commutative Property of Multiplication
Associative Property of Addition
Associative Property of Multiplication
Which of the following statements is TRUE?
-4 > -1
1.3 < 1.28
- 1/2 < - 1/3
1/3 = 0.3
Which list is in ascending order?
−0.3, 2 , 411, π, 2.5, 3
−0.3, 2 , 411, 2.5, 3, π
−0.3, 2 , 2.5, 411, 3, π
−0.3, 2 , 2.5, 3, π, 411
Based on the diagram, how many subsets are within the set of integer?
1
2
3
4
Which of the following describe an absolute value?
The value of a number
The opposite of a number
The distance of a number from zero
The multiplicative inverse of a number
In Science contest, every correct answer is worth 5 points and every wrong answer is worth -2 points. If Sarah answer 28 questions correclty and 12 wrong answers, what was her total points?
140 points
-24 points
161 points
116 points
What should be subtracted by -16 to obtain 7?
-23
23
-9
9
Julie completed 2 hours of homework, Ezra completed 3 hours of homework, Ally completed 4 hours of homework, and Liza completed 3 hours of homework. What is the average hours of homework the students completed?
3
4
12
cannot be determined
