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PENUKARAN UNIT

Total questions: 80

Worksheet time: 2hrs 8mins

Name
Class
Date
1.
89000 g = ____ kg
a)
8 kg 900 g
b)
 89 kg
c)
8 kg 90 g
d)
8 kg 9000 g
2.

1 km =

a)

10 m

b)

100 m

c)

1000 m

3.

1 m =

a)

10 cm

b)

100 cm

c)

1000 cm

4.

1 cm =

a)

10 mm

b)

100 mm

c)

1000 mm

5.

2.3 km =

a)

230 m

b)

2 003 m

c)

2 300 m

6.

Unit yang paling sesuai untuk ukuran tebal buku teks Matematik Tahun 6 ialah

a)

km

b)

m

c)

cm

7.

2 530 g =

a)

2.053 kg

b)

2.503 kg

c)

2.53 kg

8.

3 450 mililiter =

a)

3.45 liter

b)

3.045 liter

c)

3.54 liter

9.

5.08 liter = _____ ml

a)

5 000

b)

5 008

c)

5 080

d)

5 800

10.

460 m = _____ km

a)

0.046

b)

0.46

c)

4.6

d)

46

11.

900 g = ____ kg

a)

9

b)

0.9

c)

0.09

d)

0.009

12.

0.05 liter

a)

500 ml

b)

5 000 ml

c)

50 ml

d)

5 ml

13.

Manakah penukan unit yang betul?

a)

1 050 ml = 1.5 liter

b)

2.03 kg = 2kg 3 g

c)

1 2/5 km = 1 400 m

d)

0.3 m = 300 cm

14.

Jarak antara kampung R dengan kampung K ialah 2.07km. Nyatakan jarak itu dalam m.

a)

207 m

b)

2070 m

c)

2007 m

15.

Panjang segulung kain ialah 15.6m. Nyatakan panjang, dalam cm, kain itu.

a)

1560 mm

b)

156 cm

c)

1560 cm

16.

You know 1000 mg = 1 g. Convert 2.5 grams into milligrams.

a)

25 mg

b)

25,000 mg

c)

250 mg

d)

2500 mg

17.

Which unit of measurement is greatest?

a)

decimeters

b)

millimeters

c)

centimeters

d)

kilometers

18.
Is 4,000 mg greater than, less than, or equal to 4 g?
a)
greater than
b)
less than
c)
equal to
19.

Which is the largest unit measure listed

a)

Milligram

b)

Kilogram

c)

Hectogram

d)

Centigram

20.

Which unit would you use to measure the length of your classroom?

a)

metres

b)

centimetres

c)

kilometres

d)

millimetres

21.

A bicycle has a speed of 6 m/s. What is its speed in km/h?

a)

21.6 km/h

b)

16.67 km/h

c)

2.16 km/h

d)

1.67 km/h

22.

The metric prefix "kilo" means

a)

1

b)

10

c)

100

d)

1000

23.

The speed limit in many parts of Europe is 120 km/hr. What is the equivalent speed limit in miles per hour?

a)

75 mph

b)

193 mph

c)

55 mph

d)

65 mph

24.

Convert 10 mm2 areas into m2 .

a)

1.0 x106

b)

1.0 x 10-6

c)

1.0 x 105

d)

1.0 x 10-5

25.

If the volume of a 1.35 kg of metal is 1.5 x10-4 m3, calculate the density of the metal in g cm-3

a)

900.0

b)

90.0

c)

9.0

d)

0.9

26.

Convert 90.0 km h-2 into m s-2

a)

6940 x 10-4

b)

0.694 x 10-2

c)

69.4 x 10-4

d)

69.4 x 10-3

27.
What is the length of the screw?
a)
5cm
b)
6cm
c)
5mm
d)
6m
28.
What is the volume?
a)
 50.0 mL
b)
53.0 mL
c)
54.0 mL
29.
What is the length of the eraser?
a)
3 cm 
b)
2 cm 
c)
5 cm
d)
7 cm
30.
Convert:
21 min = _______ sec
a)
210
b)
21
c)
1,260
d)
260
31.
A bicycle has a speed of 6 m/s. What is its speed in km/h?  (1 km=1000 m)
a)
21.6 km/h
b)
16.67 km/h
c)
2.16 km/h
d)
1.67 km/h
32.

Convert 65 mi/hr into ft/min.


1 mi = 5280 ft

1 hr = 60 min

a)

5.7 x 103 ft/min

b)

2.1 x 107 ft/min

c)

2.1 x 10-4 ft/min

d)

7.4 x 10-1 ft/min

33.
180m = ___dm
a)
8
b)
18,000
c)
1,800
d)
18
34.
4 meters equals how many decimeters?
a)
400
b)
40
c)
600
d)
40000
35.
Convert 36 m2 into cm2.
a)
36 cm2
b)
0.36 cm2
c)
360000 cm2
d)
3600 cm2
36.
Convert 8.9 m2 into cm2.
a)
8.9 cm2
b)
0.089 cm2
c)
89000 cm2
d)
890 cm2
37.
Convert 4900 m2 into km2.
a)
4.9 km2
b)
0.0049 km2
c)
4.9 cm2
d)
0.0049 cm2
38.
Convert 0.5 km2 into m2.
a)
5 m2
b)
5 km2
c)
500 000 m2
d)
500 m2
39.
2cm + 5mm = 
a)
2.5 cm
b)
7cm
c)
7mm
d)
52cm
40.
0.6 m + 50 cm
a)
50.6m
b)
50.6cm
c)
0.65m
d)
110cm
41.

What is the most appropriate unit to measure this paper clip?

a)

m

b)

km

c)

cm

42.

Write the number 1,456 X 10-10 in scientific notation.

a)

14.56 X 10-8

b)

1.456 X 10-7

c)

1.456 X 107

d)

1.456 X 10-8

43.

Scientific Notation looks like:

a)

a X 10n, where 1 ≤ a < 10

b)

a X 10, where a > n

c)

a X 10n, where a is any number

44.

Convert 0.07 mm into um

a)

7

b)

0.7

c)

700

d)

70

45.

Convert 85 mm into um

a)

850 um

b)

450 um

c)

85000 um

d)

8500 um

46.

A microscope has a magnification of 100X. A cell appears to be 600 um in length. How long is the actual cell

a)

60 um

b)

120 um

c)

6 um

d)

100 um

47.

A microscope has a magnification of 50X. A cell appears to be 100 um in length. How long is the actual cell

a)

1 um

b)

2 um

c)

20 um

d)

4 um

48.

6 kiloliters =________ m3

a)

6000

b)

600

c)

60

d)

6

49.

Convert 10 mm2 areas into m2 .

a)

1.0 x106

b)

1.0 x 10-6

c)

1.0 x 105

d)

1.0 x 10-5

50.

Convert 15 cm3 into m3.

a)

15 x 106

b)

1.5 x 106

c)

15 x 10-6

d)

1.5 x 10-6

51.

Convert 1 ml into cm3

a)

1.0

b)

10.0

c)

100.0

d)

1000.0

52.

Convert 90.0 km h-2 into m s-2

a)

6940 x 10-4

b)

0.694 x 10-2

c)

69.4 x 10-4

d)

69.4 x 10-3

53.

Convert 18.0 g cm-3 into kg m-3

a)

1.8 x 10-3

b)

18.0 x 104

c)

1.8 x 103

d)

1.8 x 104

54.

A plane is flying at 540 km h-1. What is its speed in m s-1?

a)

1.50 x 102

b)

15.0 x 102

c)

150 x 10-2

d)

1.50 x 10-2

55.

A piece of metal has dimension 2 mm x 5 cm x 1.5 m. Calculate the volume of the metal in m3.

a)

0.0015

b)

0.00015

c)

1500

d)

15000

56.

I am very good at units of conversion for volume.

a)

YES!

b)

No... I am still struggling.

c)

I think I am in between.

57.

Convert this number into scientific notation: 0.068

a)

6.9 x 106

b)

6.8 x 10-9

c)

6.8 x 10-2

d)

None of the above

58.

Convert this number into scientific notation: 950,000

a)

9.5 x 105

b)

9.5 x 10-9

c)

9.5 x 102

d)

None of the above

59.
Write 6,700 in scientific notation.
a)
6.7 x 103
b)
6.7 x10-3
c)
67 x 102
d)
67 x 10-2
60.
The rule of scientific notation is to write all exponents with a base of ____.
a)
50
b)
5
c)
100
d)
10
61.
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
62.
Change from standard form to scientific notation: 12,000,000
a)
12.0  x  107
b)
0.12  x  107
c)
1.2  x  106
d)
1.2  x  107
63.
Change from standard form to scientific notation:  450,000
a)
4.5  x  105
b)
45  x  105
c)
4.5  x  104
d)
4.5  x  106
64.
Change from standard form to scientific notation:  0.000398
a)
39.8  x  10-5
b)
3.98  x  10-5
c)
3.98  x  10-4
d)
39.8  x  10-6
65.
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
66.
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
67.
Write 0.00000054 in scientific notation.
a)
54 x 108
b)
5.4 x 107
c)
54 x 10-8
d)
5.4 x 10-7
68.
Write 9.31 x 10-5               in standard notation.
a)
93,100,000
b)
931,000
c)
0.00000931
d)
0.0000931
69.
Write 0.0003 in scientific notation.
a)
3 x 104
b)
3 x 10-4
c)
0.3 x 103
d)
0.3 x 10-3
70.
Write 2.07 x 105     in standard notation.
a)
20,700,000
b)
0.00000207
c)
0.0000207
d)
207,000
71.
Which of the following is correct scientific notation?
a)
20.35 x 104
b)
.2035 x 104
c)
2035 4
d)
2.035 x104
72.

Divide:

5.2 x 1011 ÷ 2 x 105

a)

3.2 x 106

b)

2.6 x 106

c)

2.6 x 1016

73.
Which of the following numbers is the SMALLEST?
a)
8.7 x 103
b)
3 x 104
c)
1.3 x 108
d)
9 x 102
74.
Which of the following in the LARGEST number?
a)
9 x 106
b)
8 x 1010
c)
1.3 x 1012
d)
5.3 x 103
75.
Write in scientific notation:
0.0000836080
a)
8.3608 x 105
b)
8.3608 x 104
c)
8.3608 x 10-5
d)
8.3608 x 10-4
76.
What is scientific notation?
a)
A long way to write really short  numbers
b)
A short way to write really long numbers
c)
I don't know...
d)
None of the above
77.
UNDERSTANDING
If the exponent is a negative number...
a)
you will get a large number
b)
you will get a small number
78.
UNDERSTANDING
If the exponent is a positive number...
a)
you will get a large number
b)
you will get a smaller number
79.
Light travels at a rate of 186,000 miles per second.  Write this number in scientific notation.
a)
1.86 x 105
b)
1.86 x 104
c)
18.6 x 104
d)
186 x 103
80.
ANY number raised to a power of 0 will be....
a)
10
b)
itself
c)
1
d)
0

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