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Math 7 Quiz (Real numbers and Operations on Integers)

Total questions: 50

Worksheet time: 3hrs 30mins

Name
Class
Date
1.

All natural (counting) numbers are..

a)

Whole numbers

b)

Whole numbers, integers

c)

Whole numbers, integers, rational numbers

d)

Whole numbers, integers, rational numbers and irrational numbers

2.

All integers are...

a)

Rational numbers

b)

Whole numbers and rational numbers

c)

Irrational numbers

d)

Natural numbers and whole numbers

3.

Which list shows the numbers ordered in ascending order?


75, 78, -79, -31, 16, -40, -53

a)

-31, -40, -53, -79, 16, 75, 78

b)

-79, -53, -40, -31, 16, 75, 78

c)

78, 75, 16, -79, -53, -40, -31

4.
Whole numbers are natural numbers together with "zero."
a)
True
b)
False
5.
The number 100 is a perfect square.
a)
True
b)
False
6.
A number can be rational and irrational.
a)
True
b)
False
7.
Integers are whole numbers and their opposites.
a)
True
b)
False
8.
All numbers are real numbers.
a)
False
b)
True
9.
Classify the following number:
1.01011011101111....
a)
Rational
b)
Irrational
10.
Which statement is NOT true?
a)
Every rational number is a real number.
b)
Every counting number is a whole number.
c)
Every integer is a rational number.
d)
Every decimal number is an irrational number.
11.
-4 is not a whole number because:
a)
It's negative and whole numbers are positive.
b)
it's irrational.
c)
it cannot be turned into a fraction.
d)
it is even.
12.

Classify the following number by naming the set or sets to which it belongs:


-9

a)

Integer

b)

Rational number

c)

Irrational

d)

Integer and rational numbers

13.

Classify the following number by naming the set or sets to which it belongs:


Pi

a)

Rational

b)

Whole

c)

Integer

d)

Irrational

14.

1. What kind of number does have elements … , −3, −2, −1, 0, 1, 2, 3, … ?

a)

A. irrational numbers

b)

B. integers

c)

C. natural numbers

d)

D. whole numbers

15.

3. What subset of real number contains non-repeating, non-terminating decimals?

a)

A. imaginary numbers

b)

B. irrational numbers

c)

C. rational numbers

d)

D. whole numbers

16.

Classify the subset of real numbers to which the given number belongs.


15

a)

Rational

b)

Irrational

c)

Rational, Integer

d)

Rational, Integer, Whole, Natural

17.
-23 + 51
a)
-74
b)
28
c)
41
d)
51
18.
-2 + 9
a)
-11
b)
-7
c)
7
d)
11
19.
0 + -7
a)
-7
b)
0
c)
3
d)
7
20.
-7 + -4
a)
-11
b)
-3
c)
3
d)
11
21.
-8 + 3
a)
-11
b)
-5
c)
5
d)
11
22.
3 + -7
a)
10
b)
4
c)
-10
d)
-4
23.
-9 + (-5)
a)
-14
b)
14
c)
-4
24.

-10 + 10

a)

20

b)

0

c)

-20

d)

100

25.
-3 + (-2)
a)
-5
b)
-1
c)
1
d)
5
26.
-2+(-3)+9=
a)
14
b)
-4
c)
4
d)
-14
27.
8+(-5)+(-3)=
a)
0
b)
17
c)
-17
d)
16
28.
2 - (-2) = 
a)
0
b)
4
c)
-4
d)
-2
29.
-1 - 10 = 
a)
-9
b)
9
c)
-11
d)
none of these
30.
-8 - (-6) = 
a)
-14
b)
14
c)
-2
d)
2
31.
11-4 = 
a)
15
b)
-7
c)
-15
d)
7
32.
48 - (-31) = 
a)
17
b)
-17
c)
79
d)
-79
33.
-38 - 30
a)
-8
b)
-68
c)
0
d)
none of these
34.
-1 - (-3) = 
a)
-2
b)
-4
c)
4
d)
2
35.
How would you rewrite -10 - 5?
a)
10 + (-5)
b)
-10 + 5
c)
-10 + (-5)
d)
10 + 5 
36.

Absolute Value is the distance a number is from

a)

100

b)

10

c)

0

d)

1

37.

Adding Integers: SAME Sign

-3 + -4

5 + 2

Select the boxes of the rules to follow.

a)

Add

b)

Subtract

c)

Keep sign

d)

Take sign of bigger number

38.

Adding Integers: DIFFERENT signs

3 + -2

-8 + 4

Select the boxes of the rules to follow.

a)

Add

b)

Subtract

c)

Keep sign

d)

Take sign of larger number

39.

The subtraction KCC rule stands for?

a)

Kentucky, Cold, Chicken

b)

Keep, Convert, Change

c)

Keep, Close, Cover

d)

Keep, Change, Change

40.

We follow the KCC rule when subtracting integers.

Which problem is changed correctly?

3 - (-7)

a)

3 + (-7)

b)

-3 + (7)

c)

3 + (7)

d)

3 + (-7)

41.

We follow the KCC rule when subtracting integers.

Which problem is changed correctly?

-4 - (8)

a)

4 + (8)

b)

-4 + (-8)

c)

-4 - (-8)

d)

-4 + (8)

42.

Once you Keep Change Change subtraction problems, follow the rules for ______________ to solve.

a)

division

b)

subtraction

c)

multiplication

d)

addition

43.

Which represents the absolute value of 10?

a)

10

b)

-10

c)

-1/10

d)

11

44.

95 feet above sea level would be expressed by the integer:

a)

-95

b)

-100

c)

95

d)

0

45.

Which statement best describes l -4 l?

a)

the distance from -4 to 4 on a number line

b)

the distance from 4 to 0 on a number line

c)

the distance from -4 to 0 on a number line

d)

the distance from 0 to 4 on a number line

46.
What is the opposite of -9? 
a)
9
b)
1/9
c)
0
d)
-9
47.
What is the opposite of 3?
a)
-3
b)
0
c)
3
d)
1/3
48.
Is absolute value always positive?
a)
yes
b)
no
49.
Evaluate the expression.
|-2| + |-5|
a)
7
b)
-7
c)
3
d)
-3
50.
What is the reason that absolute value is always written as a positive?
a)
Absolute value is talking about numbers so it must be positive.
b)
Absolute value does not always have to be positive.
c)
Absolute value is like a clock it has only positive numbers.
d)
Absolute value is talking about distance, distance is always measured by positive numbers.

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