Free Printable Number Sense

1.

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

2.

Evaluate: |-12|

a)

12

b)

-12

c)

0

d)

1.2

3.

Evaluate: |0|

a)

0

b)

-0

c)

+0

d)

There is no answer

4.

Compare: -2 and |-2|

a)

<

b)

>

c)

=

5.

Compare: |13| ____ |-14|

a)

<

b)

>

c)

=

6.

What is the definition of an opposite?

a)

The distance a number is to zero

b)

A number with the same digit(s) but opposite sign

7.

What is the opposite of -12

a)

12

b)

-12

c)

0

8.

What is the opposite of 23

a)

23

b)

-23

c)

2/3

d)

0

9.

What is the opposite of 0

a)

-0

b)

+0

c)

0

d)

There is no opposite

10.

What is the definition of absolute value?

a)

The distance a number is to zero

b)

A positive number

c)

A number that has a value with a different sign

11.

10³= _____

a)

30

b)

3,000

c)

10

d)

1,000

12.

Which is the correct exponent ? 0.000001 = 10^?

a)

6

b)

5

c)

-6

d)

5

13.

Select the value equivalent to 10^-²?

a)

0.01

b)

0.001

c)

0.02

d)

0.002

14.

Whats any number to the power of zero?

a)

1

b)

0

15.

Which is the correct exponent ? 0.00001 = 10^?

a)

6

b)

5

c)

-6

d)

-5

16.

These are all true but which is the expanded form of 10^-3is

a)

1/10 x 10 x10

b)

0.001

c)

1/10³

d)

1/1,000

17.

Select the correct answer.
10^{- 2}is the same as:

a)

-1/10²and 0.02

b)

-1/10²and -0.02

c)

1/10²and -0.01

d)

1/10²and 0.01

18.

√196

a)

14

b)

13

c)

15

d)

16

19.

√225

a)

15

b)

14

c)

16

d)

13

20.

√64

a)

8

b)

32

c)

7

d)

9

21.

5²

a)

10

b)

25

c)

35

d)

-25

22.

17²

a)

189

b)

249

c)

34

d)

289

23.

11²

a)

1111

b)

121

c)

101

d)

21

24.

7.82 x 10^-⁶ is an example of scientific notation. The exponent of -6 tells you your number will be very ________.

a)

Large

b)

Small

c)

Basic

25.

The factor multiplied by a power of 10 in scientific notation needs to be greater than or equal to one but less than ___________?

a)

1

b)

10

c)

100

d)

1,000

26.

Try to change the number back to standard form: 3.97 x 10^-2

a)

0.000397

b)

0.0397

c)

0.0000397

d)

0.397

27.

Try to change the number back to standard form: 6.79 x 10⁴

a)

679,000

b)

6,790

c)

67,900

d)

6,790,000

28.

125,678,000: Change to scientific notation

a)

1.25678 x 10¹²

b)

.125678 x 10^-9

c)

12.5678 x 10⁸

d)

1.25678 x 10⁸

29.

Change from standard form to scientific notation: 0.004078

a)

4.078 x 10^-3

b)

4.078 x 10³

c)

40.78 x 10^-4

d)

.4078 x 10^-2

30.

Order the following rational numbers from least to greatest.

$0.402,\ \frac{2}{5},\ 40.5\%$

a)

$0.402,\ \frac{2}{5},\ 40.5\%$

b)

$\frac{2}{5},\ 40.5\%,\ 0.402$

c)

$\frac{2}{5},\ 0.402,\ 40.5\%$

d)

$40.5\%,\ 0.402,\ \frac{2}{5}$

31.

Order the following rational numbers from greatest to least.

$-0.005,\ -\frac{5}{100},\ -\frac{1}{2}$

a)

$-0.005,\ -\frac{5}{100},\ -\frac{1}{2}$

b)

$-\frac{1}{2},-\frac{5}{100},\ \ -0.005$

c)

$-\frac{5}{100},\ \ -0.005,\ -\frac{1}{2}$

d)

My answer is not here

32.

$\$ Order the following rational numbers from least to greatest.

$-\frac{7}{6},\ -1.26,\ -\frac{1}{2}$

a)

$-1.26,\ -\frac{7}{6},\ -\frac{1}{2}$

b)

$-\frac{7}{6},\ -1.26,\ -\frac{1}{2}$

c)

$-1.26,\ -\frac{1}{2},\ -\frac{7}{6}$

d)

$-\frac{1}{2},\ -\frac{7}{6},\ -1.26$

33.

Point B could represent which of the following numbers?

a)

√24

b)

√30

c)

√35

d)

√42

34.

Put in the symbol to make the statement true...
-17.5 _________ -√121

a)

>

b)

<

c)

=

35.

Order from least to greatest:
[10, -5, 3, 16, -1, 0, 1]

a)

-1, -5, 0, 1, 3, 10, 16

b)

16, 10, 3, 1, 0, -1, -5

c)

-5, -1, 0, 1, 3, 10, 16

d)

0, -1, 1, 3, -5, 10, 16

36.

Between which two whole numbers is the
√5?

a)

1 and 2

b)

2 and 3

c)

3 and 4

d)

4 and 5

37.

Which number has a greater value?

a)

0.07

b)

0.7

38.

Which number has a greater value?

a)

√2

b)

⁵/₄

39.

$What\ is\ -\left|75\right|?$

a)

75

b)

-75

c)

not possible

d)

0

40.

Which of the following is a perfect square?
¿Cuál de los siguientes es un cuadrado perfecto?

a)

24

b)

48

c)

81

d)

110

41.

What is a square root?
¿Qué es una raíz cuadrada?

a)

A number to the second power

Un número para la segunda potencia

b)

A square that has roots on it.

Un cuadrado que tiene raíces en él

c)

A number divided by 2

Un número dividido por 2

d)

Square roots are numbers that
produce a specified quantity when multiplied by itself]
Las raíces cuadradas son números que producir una cantidad específica cuando se multiplica por sí mismo

42.

Which of the following is NOT a perfect square?
¿Cuál de los siguientes NO es un cuadrado perfecto?

a)

1

b)

4

c)

100

d)

8

43.

Estimate the square root.
Estime la raíz cuadrada.

a)

4

b)

5

c)

6

d)

7

44.

14²is called ________
14² se llama ________.

a)

14 cubed

14 cubos

b)

14 squared

14 al cuadrado

c)

14 to the 14th power

14 a la 14 potencia

d)

28

45.

√13 is read?
√13 ¿es leído?

a)

Thirteen

Trece

b)

Thirteen squared

Trece cuadrados

c)

The square root of 13

La raíz cuadrada de 13

d)

Check mark 13

Marca de verificación 13

Number Sense

Total questions: 45

Worksheet time: 42mins

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