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Worksheets

mathematics 2

Total questions: 79

Worksheet time: 2hrs 2mins

Name
Class
Date
1.

How do you find the square of a number?

a)

Convert the numbers into scientific notation by using powers of 10.

b)

Multiply the number by itself.

2.

What are two different ways that a ratio may be expressed?

a)

(1) As a fraction (2) By placing a colon between the 2 numbers.

b)

Convert it to a decimal, move the decimal point two places to the right and add the percent sign.

c)

Multiply the decimal by the desired denominator. The result becomes the numerator in the fraction.

3.

Define Pi

a)

3.1416

b)

3.1316

c)

3.1415

4.

What is a common method of making computations involving very large or very small numbers more manageable?

a)

Multiply the decimal by the desired denominator. The result becomes the numerator in the fraction.

b)

Convert the numbers into scientific notation by using powers of 10.

5.

What is meant by the root of a number?

a)

A root is 2 or more equal smaller number that, when multiplied together, equal the specified number.

b)

A root is 3 or less equal smaller numbers that, when multiplied together, equal the specified number.

6.

Describe the result of adding a large positive number and a smaller negative number.

a)

The result is a smaller positive number because you ignore the addition sign and subtract.

b)

The result is a larger positive number because you ignore the subtraction sign and add.

7.

What is the key step that must be performed in order to add or subtract unlike fraction?

a)

you must find the highest common denominator.

b)

you must find the lowest common denominator.

8.

What formula is used to find the area of a rectangle and a triangle

a)

For a rectangle: A=LxW For a triangle A=1/2(BxH)

b)

For a rectangle: A = 1/2(B1+B2) x H, For a triangle A = 1/2(BxH).

9.

How do you change a decimal into the nearest equivalent fraction?

a)

Multiply the decimal by the desired denominator. The result becomes the numerator in the fraction.

b)

Multiply the decimal by the desired numerator. The result becomes the denominator in the fraction.

10.

How do you convert a fraction into a decimal?

a)

Divide the top number by the bottom number.

b)

Divide the bottom number by the top number.

11.

What is the key step that must be performed in order to add or subtract unlike fraction?

a)

you must find the lowest common denominator.

b)

Divide the top number by the bottom number.

c)

You invert the divisor and multiply the numerators together and the denominators together.

12.

How do you divide one fraction by another?

a)

You invert the numerators and multiply the divisor together and the denominators together.

b)

You invert the divisor and multiply the numerators together and the denominators together.

13.

How can you convert a decimal to a percent?

a)

multiply the decimal by 100 and add the percent sign.

b)

multiply the decimal by 10 and add the percent sign.

14.

What is the mean for the following distribution?

a)

1.8

b)

2.0

c)

1.9

d)

1.0

15.

What is the class for the third quartile?

a)

75

b)

61-70

c)

75.75

d)

51-60

16.

If X~B(20, 0.25), find P(X<6)

a)

0.2142

b)

0.3828

c)

0.6172

d)

0.7858

17.

Find the mean and variance of the Binomial Distribution

B(6, 0.25)

a)

1.6 and 1.125

b)

1.5 and 1.125

c)

1.6 and 1.23

d)

1.5 and 1.23

18.

If X~P0(5.5), find P(X≤7)

a)

0.8095

b)

0.1905

c)

0.686

d)

0.314

19.

Find the mean and variance of the Binomial Distribution

B(6, 0.25)

a)

1.6 and 1.125

b)

1.5 and 1.125

c)

1.6 and 1.23

d)

1.5 and 1.23

20.

If X~P0(5.5), find P(X≤7)

a)

0.8095

b)

0.1905

c)

0.686

d)

0.314

21.

If X~N(10,4), find the probability P(8<X<15)

a)

0.15249

b)

0.83509

c)

0.6687

d)

0.00621

22.

For the following Discrete Random Variable, find E(10) ?

a)

0.36

b)

36

c)

10

d)

3.6

23.

If 3 is a median for a Continuous Random Variable, f(x) for the interval 1≤X≤5, what is the probability for P(X>3) ?

a)

0.25

b)

0.5

c)

1

d)

0.75

24.

Find (2i+3j+4k)∘(5i+6j+7k)

a)

50

b)

27

c)

56

d)

35

25.

Find (2i+3j+4k)x(5i+6j+7k)

a)

3i-6j-3k

b)

-3i+6j-3k

c)

3i+6j-3k

d)

-3i-6j-3k

26.

Split 74 into TENS (rods) and ONES (cubes)

a)

7 cubes and 4 rods

b)

7 rods and 4 cubes

c)

7 rods and 7 cubes

d)

4 rods and 4 cubes

27.

What number has 6 TENS (rods) and 3 ONES (cubes)

a)

60

b)

36

c)

30

d)

63

28.

What number would be drawn like;

l l l l l . . . . .

a)

55

b)

44

c)

50

d)

45

29.

In which Ordinal Position is the person in YELLOW?

a)

Three

b)

Second

c)

Third

d)

Fourth

30.

46 + 0 = ___

a)

460

b)

46

c)

0

d)

40

31.

32 - 0 = ___

a)

0

b)

320

c)

23

d)

32

32.

25 + 0 will give you the same answer as 0 + 25

a)

True

b)

False

33.

25 - 0 will give you the same answer as 0 - 25

a)

True

b)

False

34.

4 + 5

a)

45

b)

9

c)

1

35.

10 + 20 =

a)

10

b)

120

c)

30

d)

12

36.

16 + 30 =

a)

48

b)

46

c)

28

37.

45 + 30 =

a)

48

b)

75

c)

70

38.

45 + 21 =

a)

75

b)

66

c)

24

39.

82 + 13 =

a)

95

b)

85

c)

92

40.

9 - 3 =

a)

93

b)

3

c)

6

41.

25 - 15 =

a)

5

b)

20

c)

10

42.

70 - 27 =

a)

43

b)

53

c)

33

43.

55 - 15 =

a)

35

b)

50

c)

40

44.

88 - 38 =

a)

50

b)

58

c)

55

45.
Area of triangle?
a)
17 units2
b)
20 units2
c)
10 units2
d)
16 units2
46.
Area or triangle?
a)
20 cm2
b)
56 cm2
c)
28 cm2
d)
27 cm2
47.
Area
a)
12 in sq
b)
12 in
c)
24 in sq
d)
6 in sq
48.
Find the area of this triangle.
a)
12 in2
b)
22 in2
c)
18 in2
d)
24 in2
49.
Find the area:
a)
40 yd
b)
40 yd2
c)
80 yd2
d)
18 yd2
50.
Area or triangle?
a)
20 cm2
b)
56 cm2
c)
28 cm2
d)
27 cm2
51.
What does area mean?
a)
the distance around a shape
b)
half the distance around a shape
c)
the amount of space outside a shape
d)
the amount of space inside a shape
52.
Find the area of this triangle.
a)
150 ft2
b)
100 ft2
c)
50 ft2
d)
35 ft2
53.
Find the area of the figure:
a)
30 ft2
b)
60 ft2
c)
16 ft2
d)
36 ft2
54.
a)
14.7 in2
b)
14.7  cm2
c)
28 cm2
d)
28 in2
55.

Hasil dari 30 ÷ (-5) + 6 = ...

a)

12

b)

6

c)

0

d)

-6

56.

Seekor bangau yang berada 9 m di atas permukaan air laut sedang mengintai seekor ikan yang berada pada kedalaman 7 m. Jarak bangau dan ikan tersebut adalah …

a)

15

b)

16

c)

17

d)

18

57.

Seorang siswa berhasil menjawab dengan benar 40 soal, salah 3 soal, dan tidak dijawab 7 soal. Jika satu soal dijawab benar bernilai 4, salah bernilai – 2, dan tidak dijawab bernilai – 1 maka nilai yang diperoleh siswa tersebut adalah…

a)

160

b)

154

c)

153

d)

147

58.

Empat suku berikutnya dari barisan 1, 3, 6, 10, …, adalah…

a)

16, 23, 31, 40

b)

16, 34, 44, 56

c)

15, 20, 26, 33

d)

15, 21, 28, 36

59.

Diketahui barisan aritmatika 2, 5, 8, 11, …. Suku ke 7 barisan tersebut adalah…

a)

18

b)

20

c)

22

d)

24

60.

Suku ke-5 dari barisan geometri: 2, 6, 18, 54, … adalah…

a)

54

b)

162

c)

243

d)

486

61.

Amoeba membelah menjadi dua tiap empat menit sekali. Jika pada pukul 09.00 banyak bakteri ada 6, maka banyak bakteri pada pukul 09.20 ada…

a)

192

b)

96

c)

64

d)

16

62.

Koordinat titik C(2, 7), D(5, 7), E(5, 1), F(2, 1). Jika keempat titik tersebut dihubungkan, akan membentuk bangun…

a)

Trapesium

b)

Jajargenjang

c)

Belah ketupat

d)

Persegi panjang

63.

Who created math?

a)

The Ancient Greeks

b)

The Pythagoreans

c)

The Ancient Greeks and the Pythagoreans

d)

Albert Einstein

64.

Euclid's theorem consisted of what parts?

a)

definition, axiom, theorem, and proof

b)

proof, axiom, and theorem

c)

definition and proof

d)

proof, axiom, and definition

65.

When did Ahmes present the first approximation of pi as 3.16?

a)

300 BC

b)

1850 BC

c)

2000 BC

d)

800 BC

66.

Why was math created?

a)

To help us understand everything around us

b)

To help us travel

c)

To help us measure the White House

d)

To help us measure the weight of an elephant

67.

When was math created?

a)

300 BC

b)

800 BC

c)

2017

d)

2020

68.

Where was math created?

a)

Mesopotamia

b)

The Bermuda Triangle

c)

Rome, Italy

d)

Brazil

69.

Why was the Pythagorean Theorem created?

a)

Pythagoras believed that the hypotenuse in a right triangle is equal to the sum of the other two sides.

b)

Pythagoras wanted to create his own secret theorem

c)

Albert Einstein got bored one day and decided to create the Pythagorean Theorem

d)

Trick question, the Pythagorean theorem wasn't ever created

70.

Who created Thales' Theorem?

a)

Thales

b)

Pythagoras

c)

Albert Einstein

d)

Archimedes

71.

In India, what does "lakh" mean?

a)

1000

b)

10000

c)

100000

d)

100

72.

Where can math be used today?

a)

cooking

b)

shooting a basketball

c)

pitching a baseball

d)

all of the above

73.

What number does 9 lakh represent?

a)

900000

b)

90

c)

900

d)

9000

74.

Thales was considered the first true mathematician.

a)

True

b)

False

75.

What was the first approximation of pi?

a)

3.16

b)

1.36

c)

6.31

d)

3.61

76.

What continent is Mesopotamia located in?

a)

Africa

b)

Florida

c)

Egypt

d)

Asia

77.

In the video, what did one tally mark stand for?

a)

a season

b)

a tree

c)

a stone

d)

a person

78.

In the video, how many tally marks did a large cone stand for?

a)

60

b)

1

c)

10

79.

In the pythagorean theorem, what is the formula to calculate the hypotenuse in a right triangle?

a)

a^2+b^2=c^2

b)

a^2+b^2+c^2

c)

a^2-b^2+c^2

d)

a^2=b^2+c^2