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2526 G7 T1 Reviewer

Total questions: 60

Worksheet time: 2hrs 31mins

Name
Class
Date
1.

The objects in the set are called its (a)   .

2.

A set is a collection of objects that have something in common or follow a rule.

a)

True

b)

False

3.

Which of the following is an example of a well-defined set?

a)

Set of Math books in the library

b)

Set of large animals

c)

Set of nice objects

d)

Set of small boxes

4.

Which of the following is considered to be a universal set?

a)

X = {dog, carabao, cow}

b)

Y = {monkey, cat}

c)

Z = {all animals in land}

d)

A = {eagle}

5.

Which set is denoted by {} or ∅?

a)

Universal Set

b)

Subset

c)

Null Set

d)

Proper Subset

6.

Which of the following is the set of odd whole numbers less than 10?

a)

C = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}

b)

D = {0, 2, 4, 6, 8}

c)

E = {1, 3, 5, 7, 9}

d)

None of the above

7.

If X = {Asia, Africa, North America, South America, Antarctica, Europe, Australia}, and Y = {Atlantic, Pacific, Arctic, Indian, Antarctic}, then which of the following could be the universal set?

a)

U = {oceans}

b)

U = {countries}

c)

U = {world}

d)

None of the above.

8.

The set of natural numbers

a)

Null set

b)

Singleton set

c)

Finite set

d)

Infinite set

9.

The set of letters in the English alphabet

a)

Null set

b)

Singleton set

c)

Finite set

d)

Infinite set

10.

Which of the following is an example of equal sets?

a)

A = {p, i, t, o }

B = { o, t, i, p }

b)

C = {p, i, t, o }

D = i, t, o }

c)

E = {p, i, t, o }

F = { 1, 2, 3, 4, 5 }

d)

G = {p, i, t, o }

F = { f, a, c, e }

11.

Which of the following is an example of disjoint sets?

a)

A = {p, i, t, o }

B = { p, i, k, o}

b)

C = {p, i, t, o }

D = { i, t, o }

c)

E = {p, i, t, o }

F = { 1, 2, 3, 4, 5 }

d)

G = {p, i, t, o }

F = { 1, 2, p, o }

12.

Which of the following is an example of equivalent sets?

a)

A = {p, i, t, o }

B = { 5, 6, 7, 8, 9 }

b)

C = {p, i, t, o }

D = { i, t, o }

c)

E = {p, i, t, o }

F = { 1, 2, 3, 4, 5 }

d)

G = {p, i, t, o }

F = { f, a, c, e }

13.

Two or more sets having the same cardinality.

a)

Equivalent Sets

b)

Equal Sets

c)

Joint Sets

d)

Disjoint Set

14.

Sets with one or more elements common in them.

a)

Equivalent Sets

b)

Equal Sets

c)

Joint Sets

d)

Disjoint Set

15.

Sets with no common elements

a)

Equivalent Sets

b)

Equal Sets

c)

Joint Sets

d)

Disjoint Set

16.

What statement represents the shaded part?

a)

A - B

b)

U and A

c)

U or A

d)

B Complement

17.

What does the shaded represent?

a)

A and B

b)

Universal Set

c)

A + B

d)

A or B

18.

What statement represents the shaded part?

a)

B′B'

b)

(U ∪ B)\left(U\ \cup\ B\right)

c)

U′U'

d)

A′A'

19.

What part of a Venn diagram is denoted by A∪BA\cup B ?

a)

The union of A and B

b)

The intersection of A and B

c)

The complement of A

d)

The complement of B

20.

What part of a Venn diagram is denoted by A∩BA\cap B ?

a)

The union of A and B

b)

The intersection of A and B

c)

The complement of A

d)

The complement of B

21.

Which Venn diagram has shading that corresponds to the notation A∩BA\cap B ?

a)

b)

c)

d)

22.

How many like Spanish?

(a)  

23.
A worker in a silver mine descends 60 feet. Use an integer to represent the change in the worker's position.
a)
60
b)
−60 feet
c)
60 feet
d)
−60
24.
Find the sum of   5 + (−4)
a)
9
b)
−9
c)
4
d)
1
25.
−28+(−8)=
a)
36
b)
−36
c)
−20
d)
20
26.
⅗+(−⅕)=
a)
⅖
b)
−⅖
c)
⅘
27.
In his garden Tim plants a tomato seed 5¼ inches below the ground. After one month the tomato plant has grown a total of 11½ in. How many inches is the plant above the ground?
a)
16¾ inches
b)
6½ inches
c)
6¼ inches
28.
Mrs. Byrne is at her house. She gets in her car and drives north 3.4 miles and stops at Target. Then she turns around and drives south 6.1 miles to go to Mrs. Mangini's house. How far is Mrs. Byrne's house from Mrs. Mangini's house?
a)
9.3 miles
b)
2.7 miles
c)
3.3 miles
29.

What is Absolute Value?

a)

The distance from 0 to a number gives the absolute value of a number.

b)

Variable or a constant is any number.

c)

Distance from 0 and it will always be negative.

30.

(+)×(+) =?\left(+\right)\times\left(+\right)\ =?  

a)

POSITIVE 

b)

NEGATIVE

31.

(−)×(+) =?\left(-\right)\times\left(+\right)\ =?  

a)

POSITIVE 

b)

NEGATIVE

32.

(−)×(−) =?\left(-\right)\times\left(-\right)\ =?  

a)

POSITIVE 

b)

NEGATIVE

33.

(+)×(−) =?\left(+\right)\times\left(-\right)\ =?  

a)

POSITIVE 

b)

NEGATIVE

34.

In what category does  611\frac{6}{11}   belong ?

a)

Integer

b)

Natural Number

c)

Rational Number

35.

What is the decimal equivalent of  425\frac{4}{25}  ?

a)

16%

b)

0.16

c)

1.6

d)

0.08

36.
The temperature in a town is 34.1°F during the day and −8.6°F at night. Find the difference in the temperatures.
a)
42.7
b)
25.5
c)
42.7°F
d)
25.5°F
37.
A group of friends are rock climbing. Mr. Wharton is 26.4 feet above the ground. Mr. Hall is directly below Mr. Wharton at 14.1 feet above the ground. How far apart are they?
a)
40.5 miles
b)
12.3 miles
c)
12.3 feet
d)
40.5 feet
38.

Facts , or a set of information or observation under study.

a)

Data

b)

Population

c)

Sample

d)

Variable

39.

It is the collection of all individuals or objects from which the required information is to be obtained.

a)

Data

b)

Population

c)

Sample

d)

Variable

40.

It is a small portion or part of a population.

It is the subgroup, subset or the representative of a population.

a)

Data

b)

Population

c)

Sample

d)

Variable

41.

Data that are non-numerical values.

a)

Categorical Data

b)

Numerical Data

42.

Which of the following is an example of categorical data?

a)

Age of Grade 7 Students

b)

Favorite subject of Grade 7 Students

43.

Which of the following is an example of numerical data?

a)

Favorite color of Grade 7 Students

b)

Weight of Grade 7 Students

44.
How many employees are there that make between $33,000 and $43,000
a)
250
b)
500
c)
550
d)
750
45.
a)
5
b)
6
c)
17
d)
18
46.
You asked people in your math class how they get to school and came up with the following results. What percent ride the bus (orange region)?
a)
25
b)
30
c)
50
d)
more than 25 but less than 50
47.

Which of the following best describes the mode of a given set of data?

a)

The measure or value which occurs most frequently (repeated) in a set of data.

b)

The average of a set of data.

c)

The middle value of a set of data

d)

The difference of the highest and the lowest value of a set of data.

48.
Find the mode:
5, 0, 9, 9, 3, 0, 5, 5, 4
a)
9
b)
5
c)
3
d)
7
49.
Find the median:
5, 6, 3, 9, 0, 4, 1, 2, 7
a)
4
b)
4.1
c)
5
d)
4.5
50.
What is the mode of the data set:
Black  Blue  Red
Pink  Black  Black
Gray  Green  Blue
Blue  Blue  Red
Yellow  Blue  Red
a)
Blue and Black
b)
Blue
c)
Red
d)
Black
51.

Find the median of the data set.


4, 7, 3, 5, 6

a)

3

b)

4

c)

5

d)

6

52.

Find the mode of the data set.


14, 20, 16, 14, 18, 20, 19, 13, 15, 17

a)

No mode

b)

14

c)

20

d)

both 14 and 20

53.

Find the mean of the data set.


8, 12, 16, 10, 8, 6

a)

60

b)

10

c)

6

d)

14

54.

Find the outlier of the data set.


15, 20, 18, 35, 17, 35, 13

a)

no outlier

b)

35

c)

13

d)

15

55.

The middle number of an ordered set of data is called what?

a)

mean

b)

median

c)

mode

d)

outlier

56.

Find the range in the data set.


14, 20, 19, 22, 14, 17

a)

14

b)

8

c)

6

d)

no range

57.

The ___ is the data item(s) that occur the most often.

a)

mean

b)

median

c)

mode

d)

range

58.

Find the mean of the data set.


31, 20, 51, 31, 27

a)

31

b)

51

c)

27

d)

30

59.

Find the median of the data.


20, 30, 45, 90, 60, 45, 5, 10, 30, 45, 15, 25

a)

35

b)

30

c)

no median

d)

45

60.

A(n) ____ of a data set is much greater or much less than the other data values.

a)

mean

b)

median

c)

mode

d)

outlier

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