Unit 7 Length

Modul Bestari Matematik UPSR JPNS 2010

UNIT 7 LENGTH Objective Questions 1. Convert 5 800 mm to cm. Tukarkan 5 800 mm kepada cm. A 0.58 B 5.8 C 58 D 580 8 m 72 cm + 6 m 19 cm = A 2 m 53 cm B 14 m 91 cm C 22 m 24 cm D 24 m 91 cm 2160 cm 98 cm = A 76. 4 cm B 118 cm C 2 062 cm D 2 602 cm The length of a pencil box is 25 cm. What is the total length of 6 similar pencil boxes, in m? Panjang sebuah kotak pensel ialah 25 cm. Berapakah jumlah panjang 6 buah kotak pensel yang sama, dalam m? A 0.15 B 1.5 C 15 D 150 cm + 21 cm = 5 021 cm A B C D 6. 5 50 500 5 000 m = 0.56 m

2.

3.

4.

5.

0.75 m A 0.11 B 0.19 C 0.21

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7.

D 0.29 The total length of 9 similar pencils is 144 cm. What is the length of a pencil, in cm? Jumlah panjang 9 batang pensel yang sama ialah 144 cm. Berapakah panjang sebatang pensel, dalam cm? A 14 B 16 C 17 D 18 Subtract 69 m from 91 m. Tolakkan 69 m daripada 91 m. A 160 m B 156 m C 100 m D 22 m 4.3 cm 1 000 = A 43 cm B 430 cm C 4 300 cm D 43 000 cm 100.8 cm 6 = A 1.68 cm B 16.8 cm C 168 cm D 1680 cm A rope measuring 96 m is cut into 8 equal parts. What is the length of each part? Seutas tali yang berukuran 96 m telah dipotong kepada 8 bahagian yang sama panjang. Berapakah panjang satu bahagian tali itu? A 11 m B 12 m C 13 m D 14 m 7 m 98 cm 5 m 89 cm = A 22 m 99 cm B 21 m 91 cm C 12 m 19 cm D 2 m 9 cm Calculate 4 m 8 cm 4 = Hitungkan 4 m 8 cm 4 = A 1 m 2 cm B 4 m 4 cm C 8 m 12 cm D 16 m 32 cmPage 166

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14.

Find the difference between 8 cm 14 mm and 2 cm 8 mm Cari perbezaan antara 8 cm 14 mm dan 2 cm 8 mm A 22 cm 99 mm B 20 cm 19 mm C 10 cm 22 mm D 6 cm 6 mm Find the product of 1.25 m and 6 Cari hasil darab 1.25 m dan 6. A 70.5 m B 7.5 m C 7.05 m D 7.005 m Convert 3.25 km to m Tukarkan 3.25 km kepada m A 325 m B 3 250 m C 32 500 m D 325 000 m 9 km 700 m 7 km 650 m = A 20 km 500 m B 16 km 150 m C 16 km 15 m D 2 km 50 m 0.39 km 100 = A 39 m B 390 m C 3 900 m D 39 000 m 950 m 10 = A 0.95 km B 0.095 km C 0.0095 km D 0.00095 km 120.5 km 75 m = A 45.5 km B 120.425 km C 455 km D 120 425 km

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21.

1.25 km 6 = A 0.75 m B 7.50 m C 750 m D 7 500 m Find the difference between 0.9 km and 475 m. Cari beza antara 0.9 km dan 475 m A 385 m B 425 m C 474.1 m D 852.5 m 1 957 m 12 = A 23.484 km B 234.84 km C 2 348.4 km D 23 484 km 6 km 125 m + = 8 km 425 m

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What must be written into the box above? Apakah yang perlu diisi dalam petak di atas? A 1 km 700 m B 2 km 300 m C 14 km 300 m D 14 km 550 km 25. 1.75 km 10 = A 0.175 m B 1.75 m C 17.5 m D 175 m Mosque Masjid School Sekolah

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7.25 km

825 m Diagarm 1 Rajah 1 Diagram 1 shows a road map. Find the distance, in km, from the mosque to Johns house passing through the school. Rajah 1 menunjukkan peta jalan. Cari jarak, dalam km, dari masjid ke rumah John melalui sekolah A 8.075 km B 8.25 km C 7.25 kmUnit 7 Length Page 168

Johns house Rumah John


D 27.

6.425 km

A plot of land of 1 500 m long is divided equally into 12 parts. Find the length, in km, of each part. Sebidang tanah yang panjangnya 1 500 m dibahagikan kepada 12 bahagian yang sama besar. Cari panjang, dalam km setiap bahagian. A 0.125 B 1.5 C 15 D 125

28. P

6 519 m

Q

R

Diagram 2 Rajah 2 In Diagram 2, PQ is 4 250 m longer than QR. Calculate the length of QR, in km. Dalam Rajah 2. PQ adalah 4 250 m lebih panjang daripada QR. Kira panjang QR, dalam km. A 107.69 B 22.69 C 10.769 D 2.269 29. 0.035 km of rope is cut into 5 parts of the same length. Find the length of each part, in m. Seutas tali yang panjangnya 0.035 km telah dipotong kepada 5 bahagian yang sama panjang. Cari panjang setiap bahagian tali itu, dalam m. A 70 B 7 C 0.7 D 0.07 Add 2.8 km and 412 m. Give the answer in m. Tambahkan 2.8 km dan 412 m. Berikan jawapan dalam m. A 4 148 B 3 212 C 414.8 D 3.212

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UNIT 7 LENGTH Subjective Questions 1. 2. 3. 4. 5. 6. 7. 8. 1 cm = __________ mm

1 m = ______________cm 28 cm = _____________ mm 20 m = ______________cm 7.4 m = ___________ cm 14 mm = ___________ cm 807 cm = ___________ mm 3 m 51 cm + 7 m 64 cm = _________ m _________ cm

9.

85 m 33 cm 49 m 90 cm = _________ m ________ cm

10.

Convert the height of the glass below in mm. Tukarkan tinggi gelas di bawah kepada mm.

12 cm

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11.

The length of the nail below is __________ cm. Panjang paku di bawah ialah ______ cm

12.

52 mm = ___________ cm

13.

5 cm + 20 cm = ______________ cm

14.

60 m 20 m = ____________ m

15.

5. 4 cm x 100 = _______________ cm

16.

25 mm 5 = _____________ mm

17.

Amy walks to the cake house from her house through the bookshop. How far does she walk altogether, in m? Amy berjalan ke kedai kek dari rumahnya melalui kedai buku. Berapa jauhkah dia berjalan, dalam m? 350 m 670 m Amys house Rumah Amy Bookshop Kedai buku Cake house Kedai kek

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18.

What is the length of AB, in m? Apakah jarak AB, dalam m? A 1 020 m B

550 m C

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5 006 m = ___________ km

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0.051 km = __________ m

21.

7.64 km + 0.04 km = ____________ m

22.

481 m + 865 m = ______________ km

23.

7.18 km 1.03 km = _____________ m

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6 032 m 1 153 m = _____________ km

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0. 003 km 2 = ____________ km

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26.

Diagram 26 shows a road map. Rajah 26 menunjukkan sebuah peta jalan. Y 8 km 17 km

X

Diagram 26 Rajah 26

Z

What is the distance from X to Z through Y, in km? Apakah jarak dari X ke Z melalui Y, dalam km?

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Diagram 27 shows the location of houses A, B, C. Rajah 27 menunjukkan lokasi rumah A, B, C. A 881 km 602 km B Diagram 27 Rajah 27

C

Find the difference in the distance from house A to house B and the distance from house B to house C, in km. Cari perbezaan jarak dari rumah A ke rumah B dan jarak rumah B ke rumah C, dalam km.

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567 m = ___________ km

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0.640 km = __________ mPage 173

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30.

30 km + 4 km = ____________ m

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866 m + 200 m = ______________ km

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8.80 km 2.30 km = _____________ m

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7489 m 298 m = _____________ km

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388 m 6 = ____________ m

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0.400 km 4 = _____________ km

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Diagram 36 shows the positions of three houses P, Q and R along a street. Rajah 36 menunjukkan kedudukan tiga buah rumah P, Q dan R sepanjang sebatang jalan. 3.27 km

P

1.93 km Diagram 36 Rajah 36

Q

R

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Calculate the distance, in km, between Q and R? Hitungkan jarak, dalam km, antara Q dan R 37. Diagram 37 shows the location of houses T, U and V. Rajah 37 menunjukkan lokasi rumah T, U dan V. V T 6661 km 321 km U Diagram 37 Rajah 37 Find the total distance, in km, from house T to house U and the distance from house U to house V. Cari jumlah jarak, dalam km, antara rumah T ke rumah U dan rumah U ke rumah V.

38.

Calculate 3.27 km 216 m. Give your answer in m. Hitungkan 3.27 km 216 m. Berikan jawapan anda dalam m.

39.

7.26 km 3 = Express your answer in m. Tukarkan jawapan anda dalam m.

40.

18.03 km 386 m = Give your answer in km. Berikan jawapan anda dalam km.

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41.

The distance from P to Q is 7 times the distance from Q to R. The distance from Q to R is 9.465 km. What is the distance from P to Q? Jarak dari P ke Q ialah 7 kaloi jarak dari Q ke R. Jarak dari Q ke R ialah 9.465 km. Berapakah jarak dari P ke Q?

42.

Mr Wong stays in Lok Kawi. He works in Inanam. He has to pass Putatan before reaching Inanam. The distance from Lok Kawi to Putatan is 7.8 km, while the distance from Putatan to Inanam is 20 km 750 m. How far is Mr Wongs house from his office? En. Wong tinggal di Lok Kawi. Dia bekerja di Inanam. Dia perlu melalui Putatan sebelum sampai ke Inanam. Jarak dari Lok Kawi ke Putatan ialah 7.8 km, sementara jarak dari Putatan ke Inanam ialah 20 km 750 m. Berapa jauhkah pejabat En.Wong dari rumahnya?

43.

The perimeter of a basketball court is 127.5 m. Ranjit ran 9 rounds around the basketball court. How many kilometres did he run? Give your answer in three decimal places. Perimeter sebuah gelanggang bola keranjang ialah 127.5 m. Ranjit lari 9 pusingan mengelilingi gelanggang itu. Berapa kilometer Ranjit telah lari. Berikan jawapan anda dalam tiga tempat perpuluhan.

44.

In a map, 2 cm represents 2.5 km. What distance does 7 cm on the map represents? Dalam sebuah peta, 2 cm mewakili 2.5 km. Apakah jarak yang diwakili oleh 7 cm di atas peta itu?

45.

The length of a roll wire is 0.015 km. Fuad cuts it into three parts. The length of the first 4 part is 3 m while the second part measures 6.04 m. Find the length, in m, of the third 5 part. Panjang segulung dawai ialah 0.015 km. Fuad potong dawai itu kepada tiga bahagian. 4 Panjang bahagian pertama ialah 3 m manakala bahagian kedua berukuran 6.04 m. 5 Cari panjang, dalam m, bahagian ketiga.

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46.

After cutting 20 pieces of ribbons, each measuring 4.2 m, Husniza has 88.5 m of ribbon left. Find the length, in m, of the original piece of ribbon. Selepas memotong 20 helai reben, yang berukuran 4.2 m setiap satu, Reben Husniza masih tinggal 88.5 m. Cari panjang asal reben itu, dalam m.

47.

1 Mr Goon drove for 3 km before he stopped for a rest. Then he drove another 5 km 900 2 m to reach his house. What is the total distance, in km, covered by Mr Goon? 1 En. Goon memandu sejauh 3 km sebelum dia berhenti untuk rehat. Kemudian, dia 2 memandu 5 km 900 m untuk sampai ke rumahnya. Berapakah jumlah jarak, dalam km, yang dilalui oleh En. Goon?

48.

The length of a roll wire is 216 m. Find the length, in km, of 8 similar rolls of copper wire. Panjang segulung dawai ialah 216 m. Cari panjang, dalam km, 8 gulung dawai yang sama panjang.

49.

Azlan jogged 5 km a day. If he jogs 5 days with the same distance, how far did he jog, in m, in five days? Azlan berjoging 5 km sehari. Jika dia berjoging selama 5 hari dengan jarak yang sama, berapa jauhkah dia berjoging, dalam m, dalam 5 hari.

50.

Amir has a rope which measures 7.26 m long. He cuts the rope into 3 equal parts. Find the length, in cm, of each rope. Amir ada seutas tali yang berukuran 7.26 m panjang. Dia potong tali itu kepada 3 bahagian yang sama panjang. Cari panjang, dalam cm, setiap tali itu.

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UNIT 7 LENGTH Sample Answers 21. 7.64 km + 0.04 km = ____________ m 7.64 km + 0.04 km 7.68 km 7.68km 1000 = 7680 m

48.

The length of a roll wire is 216 m. Find the length, in km, of 8 similar rolls of copper wire. Panjang segulung dawai ialah 216 m. Cari panjang, dalam km, 8 gulung dawai yang sama panjang. 216 m 8 1728 m 1728m 1000 = 1.728 km

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UNIT 7 LENGTH Answers for Objective Questions 1 2 3 4 5 6 7 8 9 10 D B C B D B B D C B 11 12 13 14 15 16 17 18 19 20 B D A D B B D D B B 21 22 23 24 25 26 27 28 29 30 D B A B D A A D B B

UNIT 7 LENGTH Answers for Subjective Questions

PETUNJUK: P Pengetahuan K Kaedah N Nilai

Questions No. 1 2 3 10 100

Suggested Answers

Sub Marks P1 P1 K1 N1 K1 N1 K1 N1 K1 N1

Total Marks 1 1 2

Remarks

28 cm 10 280 mm 20 m 100 2 000 cm 7.4 m 100 740 cm 14 mm 10 1.4 cm

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Questions No. 7

Suggested Answers 807 cm 10 8 070 mm1

Sub Marks K1 N1

Total Marks 2

Remarks

8

+ 1

3 7 1

m m m

5 6 1

1 4 5

cm cm cm

K1 N1 K1 N1

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9 10 11 12 12 cm 10 120 mm 5.4 52 mm 10 5.2 cm

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K1 N1 P1 K1 N1

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K1 N1

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K1 N1 5.4 cm 100 540 cm 25 mm 5 5 mm1

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15 16

K1 N1 K1 N1 K1 N1 Sub Marks K1 N1

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2

Questions No. 18

Suggested Answers0 9 12

Total Marks 2

Remarks

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19 20

5.006 km 51 m 7 0 7 . . . 6 0 6 4 4 8 k k k m m m

K1 N1 K1 N1

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+

K1 N1

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7.68 km 1 000 7 680 m K1 N1

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7 1 6

. . .

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8 3 5

0 0 0

k k k

m m m

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6.150 km 1 000 6 150 m5 9 12 12

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0 1 8

3 5 7

2 3 9

m m m

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4 879 m 1 000 4.879 km 25 26 0.003 km 2 0.006 km 8 km + 17 km 25 km Suggested Answers 881 km 602 km 279 km 0.567 km P1 K1 N1 K1 N1 Sub Marks K1 N1 P1 2 2

Questions No. 27 28 29Unit 7 Length

Total Marks 2 1 1

Remarks

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640 m 30 30 km + 4 km 34 km 1 000 34 000 m 866 m + 200 m 1 066 m 1 000 1.066 km 8.80 km 2.30 km 6.50 km 1 000 6 500 m 7 489 m 298 m 7 191 m 1 000 7.191 km 388 m 6 2 328 m 0.400 km 4 0.100 km 3.27 km 1.93 km 1.34 km 321 km + 6 661 km 6 982 km 3.27 km 216 m 3 270 m 216 m 3 054 m 7.26 km 3 7 260 m 3 2 420 m 18.03 km 0.386 km 17.644 km Suggested Answers 9.465 km 7 66.255 km 7.8 km + 20 km 750 m 7.8 km + 20.75 km K1 N1 K1 N1 K1 N1 K1 N1 K1 N1 K1 N1 K1 N1 K1 N1 K1 N1 K1 N1 K1 N1 Sub Marks K1 N1 K1 N1 2 2 2 2 2

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34 35 36 37

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Questions No. 41 42

Total Marks 2 2

Remarks

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28.55 km 9 127.5 m 1 147.5 m 1 000 1.1475 km 1.148 km (three decimal places) 1 cm on the map represents; 2.5 km 2 1.25 km 7 cm represents; 7 1.25 km 8.75 km 0.015 km = 15 m 4 3 m = 3.80 m 5 15 m 3.80 m 6.04 m 5.16 m 20 4.2 m 84.0 m + 88.5 m 172.5 m 1 3 km + 5 km 900 m 2 3.5 km + 5.9 km 9.4 km 8 216 m = 1 728 m 1 728 m 1 000 1.728 km 5 km 5 = 25 km 25 km 1 000 25 000 m 7.26 m 3 = 2.42 m 2.42 m 100 242 cm K1 K1 N1

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3

K1 3 K1 N1

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K1 K1 N1 K1 K1 N1 K1 K1 N1 K1 K1 N1 K1 K1 N1 K1 K1 N1

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Unit 7 Length

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