Unit 8
Jana Minda
Jana Minda
Ulang kaji Bab 4 hingga Bab 8: masa, ukuran, ruang, koordinat, nisbah, kadaran dan data.
Bahagian A (8 soalan) · Bahagian B (8 soalan) · Bahagian C (9 soalan)

总复习 = ulang kaji akhir
这一课是下半年的总复习,分成三部分,一共 25 题:A 部分考基本概念,B 部分考计算,C 部分考生活应用题。内容包括时间、长度、质量、容量、空间、坐标、比和比例,还有统计图。每一题答错时,打开抽屉看方法,再试一次。
例子:看到“几年几个月化成月”,就想到一年是十二个月。
注意:做应用题前先读两次题目,找出已知和要求的东西。
end-of-year revision = ulang kaji akhir
This lesson revises the second half of the year in three parts with 25 questions: Part A checks basic ideas, Part B checks calculation, and Part C has everyday problems. It covers time, length, mass, volume, space, coordinates, ratio and proportion, and charts. If you get one wrong, open the drawer to see the method and try again.
Example: when you see 'years and months into months', remember a year has 12 months.
Watch out: for word problems, read the question twice and find what is given and what is asked.
Bahagian A · 1
Sebuah kotak ada 1 biji bola merah dan 9 biji bola biru. Apakah nisbah bola merah kepada bola biru?
写比 = tulis nisbah
先找 kepada 前面的东西,数一数写在冒号左边;再写后面的。不要把两种球加起来。
例子:1 支红笔、4 支黑笔,红比黑是 1 : 4。
注意:比的次序跟着题目的说法。
writing a ratio = tulis nisbah
Find the thing before 'kepada', count it and write it on the left of the colon, then write the other. Do not add the two kinds of balls.
Example: 1 red pen and 4 black pens give red to black = 1 : 4.
Watch out: the order follows the wording of the question.
Bahagian A · 2
3 m 45 cm = ? cm
米化厘米 = m ke cm
一米是一百厘米,先把米乘 100,再加上原来的厘米。
例子:2 m 8 cm = 200 + 8 = 208 cm。
注意:厘米少于 10 时,十位要补 0。
metres to centimetres = m ke cm
One metre is 100 cm, so multiply the metres by 100, then add the centimetres already there.
Example: 2 m 8 cm = 200 + 8 = 208 cm.
Watch out: when there are fewer than 10 cm, the tens place needs a 0.
Bahagian A · 3
Dua garis yang bersilang dan membentuk sudut tegak dinamakan …
垂直线和平行线 = garis serenjang dan garis selari
两条线相交成直角,叫垂直线;两条线一直不相交、距离不变,叫平行线。想一想题目说的是哪一种。
例子:黑板的上边和左边相交成直角。
注意:平行线永远不会相交。
perpendicular and parallel lines = garis serenjang dan garis selari
Two lines that cross at a right angle are perpendicular; two lines that never meet and stay the same distance apart are parallel. Decide which one the question describes.
Example: the top edge and left edge of a whiteboard meet at a right angle.
Watch out: parallel lines never meet.
Bahagian A · 4
2 jam 50 minit + 1 jam 25 minit = ?
时间相加 = tambah masa
先加分钟,满 60 分钟就换成 1 小时,分钟栏只留下不满 60 的部分;再加小时,记得加上换来的 1 小时。
例子:1 jam 40 minit + 30 minit = 1 jam 70 minit = 2 jam 10 minit。
注意:分钟栏最后要少于 60。
adding time = tambah masa
Add the minutes first; every 60 minutes becomes 1 hour, leaving fewer than 60 minutes. Then add the hours, including the hour carried over.
Example: 1 jam 40 minit + 30 minit = 1 jam 70 minit = 2 jam 10 minit.
Watch out: the minutes must end below 60.
Bahagian A · 5
6 paket garam berjisim 1.5 kg. Berapakah jisim 4 paket garam yang sama?
单一法 = kaedah unitari
先求一包的重量(总重量除以包数,可以换成克再除),再乘以要的包数。
例子:5 包共 2 kg,1 包 0.4 kg,3 包 1.2 kg。
注意:先除后乘。
unitary method = kaedah unitari
Find the mass of one packet (total ÷ number of packets; you may change to grams first), then multiply by the number wanted.
Example: 5 packets weigh 2 kg, so 1 is 0.4 kg and 3 are 1.2 kg.
Watch out: divide first, then multiply.
Bahagian A · 6
8:15 p.m. dalam sistem 24 jam ialah …
二十四小时制 = sistem 24 jam
下午和晚上(p.m.,中午 12 点以后)的时间,小时要加 12;分钟照写,四个数字前面写 Jam。
例子:3:40 p.m. = Jam 1540。
注意:上午的时间不用加 12,个位数小时前面补 0。
the 24-hour system = sistem 24 jam
For afternoon and night times (p.m., after 12 noon), add 12 to the hour; keep the minutes, and write Jam before the four digits.
Example: 3:40 p.m. = Jam 1540.
Watch out: morning times do not add 12, and a single-digit hour gets a 0 in front.
Bahagian A · 7
Berapakah luas segi empat tepat berukuran 9 cm × 6 cm?
面积 = luas
长方形的面积是长乘宽,单位是平方厘米。不要和周长弄混:周长是四条边加起来。
例子:7 cm × 4 cm 的长方形,面积 28 cm²,周长 22 cm。
注意:面积的单位有个“²”。
area = luas
The area of a rectangle is length × width, in square centimetres. Do not confuse it with perimeter, which adds the four sides.
Example: a 7 cm × 4 cm rectangle has an area of 28 cm² and a perimeter of 22 cm.
Watch out: area units carry a small '²'.
Bahagian A · 8
Berapakah isi padu kuboid berukuran 5 cm × 4 cm × 3 cm?
体积 = isi padu
长方体的体积是长、宽、高三个数连乘,单位是立方厘米。
例子:6 cm × 2 cm × 2 cm 的盒子,体积 24 cm³。
注意:三个数都要乘,不是相加。
volume = isi padu
The volume of a cuboid is length × width × height multiplied together, in cubic centimetres.
Example: a 6 cm × 2 cm × 2 cm box has a volume of 24 cm³.
Watch out: multiply all three numbers; do not add them.
Bahagian B · 1
4 tahun 7 bulan = ? bulan
年月化月 = tahun dan bulan ke bulan
年乘 12 换成月,再加上原来的月数。
例子:2 年 3 个月 = 24 + 3 = 27 个月。
注意:不要把两个数字直接拼在一起。
years and months into months = tahun dan bulan ke bulan
Multiply the years by 12 to get months, then add the months already given.
Example: 2 years 3 months = 24 + 3 = 27 months.
Watch out: do not just join the two numbers together.
Bahagian B · 2
7 km 250 m − 2 km 600 m = ?
长度相减 = tolak panjang
先减米:250 不够减 600,向公里借 1 公里,变成 1 250 米;公里那一栏要少 1。再减公里。
例子:5 km 100 m − 1 km 300 m = 4 km 1 100 m − 1 km 300 m = 3 km 800 m。
注意:借了以后,公里要记得少 1。
subtracting lengths = tolak panjang
Subtract the metres first: 250 cannot take away 600, so borrow 1 km to make 1 250 m, and the kilometres go down by 1. Then subtract the kilometres.
Example: 5 km 100 m − 1 km 300 m = 4 km 1 100 m − 1 km 300 m = 3 km 800 m.
Watch out: after borrowing, remember the kilometres are 1 less.
Bahagian B · 3
4 × 3 minggu 5 hari = ?
时间乘法 = darab masa
先用乘数乘天数,满 7 天就换成 1 星期;再乘星期,加上换来的星期。
例子:3 × 2 minggu 4 hari = 6 minggu 12 hari = 7 minggu 5 hari。
注意:天数栏最后要少于 7。
multiplying time = darab masa
Multiply the days first; every 7 days becomes 1 week. Then multiply the weeks and add the weeks carried over.
Example: 3 × 2 minggu 4 hari = 6 minggu 12 hari = 7 minggu 5 hari.
Watch out: the days must end below 7.
Bahagian B · 4
8 jam 24 minit ÷ 6 = ?
时间除法 = bahagi masa
先除小时,余下的小时换成分钟(每小时 60 分钟),加上原来的分钟,再除。
例子:5 jam 20 minit ÷ 4 → 1 jam 余 1 jam → 60 + 20 = 80 minit ÷ 4 = 20 minit → 1 jam 20 minit。
注意:余下的小时不能丢掉。
dividing time = bahagi masa
Divide the hours first; change the leftover hours into minutes (60 each), add the minutes already there, and divide again.
Example: 5 jam 20 minit ÷ 4 → 1 jam remainder 1 jam → 60 + 20 = 80 minit ÷ 4 = 20 minit → 1 jam 20 minit.
Watch out: do not drop the leftover hours.
Bahagian B · 5
2 kg 300 g + 1 kg 850 g = ?
质量相加 = tambah jisim
先加克,满 1 000 克就换成 1 公斤,克栏留下不满 1 000 的部分;再加公斤。
例子:1 kg 600 g + 700 g = 1 kg 1 300 g = 2 kg 300 g。
注意:克栏最后要少于 1 000,换出来的 1 公斤一定要加到公斤那一栏,不能忘记。
adding mass = tambah jisim
Add the grams first; every 1 000 g becomes 1 kg, leaving fewer than 1 000 g. Then add the kilograms.
Example: 1 kg 600 g + 700 g = 1 kg 1 300 g = 2 kg 300 g.
Watch out: the grams must end below 1 000.
Bahagian B · 6
5 ℓ − 1 ℓ 275 mℓ = ?
容量相减 = tolak isi padu
5 升的毫升栏是 0,不够减,先借 1 升换成 1 000 毫升,变成 4 升 1 000 毫升,再减。
例子:3 ℓ − 400 mℓ = 2 ℓ 1 000 mℓ − 400 mℓ = 2 ℓ 600 mℓ。
注意:借了 1 升,升栏就少 1。
subtracting volume = tolak isi padu
5 ℓ has 0 in the mℓ column, so borrow 1 ℓ as 1 000 mℓ to make 4 ℓ 1 000 mℓ, then subtract.
Example: 3 ℓ − 400 mℓ = 2 ℓ 1 000 mℓ − 400 mℓ = 2 ℓ 600 mℓ.
Watch out: after borrowing 1 ℓ, the litres go down by 1.
Bahagian B · 7
Berapakah perimeter segi empat sama bersisi 13 cm?
正方形的周长 = perimeter segi empat sama
正方形四条边一样长,周长就是边长乘 4。不要和面积(边长乘边长)弄混。
例子:边长 9 cm 的正方形,周长 36 cm。
注意:周长的单位是厘米,没有“²”。
perimeter of a square = perimeter segi empat sama
A square has four equal sides, so its perimeter is the side × 4. Do not confuse it with area (side × side).
Example: a square with 9 cm sides has a perimeter of 36 cm.
Watch out: perimeter is in centimetres, without a '²'.
Bahagian B · 8
Berapakah jumlah buku yang dijual pada hari Selasa dan Khamis?
读条形图求总数 = jumlah daripada carta palang
先看刻度每一格是多少,再从两个长条的顶端横着对到纵轴,读出数值,最后相加。
例子:一个 20、一个 35,总数 55。
注意:用尺子横着对齐,才不会读错一格。
a total from a bar chart = jumlah daripada carta palang
Check how much each step of the scale is, read the two bars by following their tops across to the vertical axis, then add.
Example: 20 and 35 make 55.
Watch out: hold a ruler level so you do not read one step off.
Bahagian C · 1
Majlis hari sukan bermula pada 9:45 a.m. dan tamat pada 1:20 p.m. Berapakah tempoh majlis itu?
求经过的时间 = cari tempoh
可以分段数:先从开始时间数到中午 12 点,再从 12 点数到结束时间,把两段加起来。
例子:10:30 a.m. 到 2:10 p.m.:1 jam 30 minit + 2 jam 10 minit = 3 jam 40 minit。
注意:跨过中午时,最好分两段算。
finding the duration = cari tempoh
Count in parts: from the start to 12 noon, then from 12 noon to the end, and add the two parts.
Example: 10:30 a.m. to 2:10 p.m.: 1 jam 30 minit + 2 jam 10 minit = 3 jam 40 minit.
Watch out: when the time crosses noon, work in two parts.
Bahagian C · 2
Rumah Ah Seng di (5, 1) dan dewan di (5, 4). 1 unit = 100 m. Berapakah jarak antara rumah dan dewan?
坐标上的距离 = jarak pada satah Cartes
先在图上找到两个地点,读出它们的坐标。两个点的第一个数字一样,表示它们在同一条竖线上,距离就是第二个数字相差几格;每一格代表 100 米,再乘上去。
例子:(2, 1) 到 (2, 6) 相差 5 格,每格 100 米,就是 500 米。
注意:要用相减求格数,不是相加。
distance on a grid = jarak pada satah Cartes
Find the two places on the map and read their coordinates. Their first numbers are the same, so they are on the same vertical line, and the distance is the difference between their second numbers; each unit stands for 100 m, so multiply.
Example: (2, 1) to (2, 6) is 5 units apart; at 100 m per unit that is 500 m.
Watch out: subtract to find the number of units; do not add.
Bahagian C · 3
Sebuah lori bergerak 165 km dalam 3 jam dengan laju yang sama. Berapakah jarak yang dilalui dalam 5 jam?
路程的比例 = kadaran jarak
速度一样,先求 1 小时走多少公里,再乘以要求的小时数。
例子:2 小时 90 公里,1 小时 45 公里,4 小时 180 公里。
注意:先除后乘。
proportion with distance = kadaran jarak
At the same speed, find the kilometres in 1 hour, then multiply by the hours asked for.
Example: 90 km in 2 hours is 45 km in 1 hour and 180 km in 4 hours.
Watch out: divide first, then multiply.
Bahagian C · 4
Dua batang rel kereta api tidak pernah bertemu walaupun sangat panjang. Rel itu ialah contoh garis …
生活中的平行线 = garis selari dalam kehidupan
两条线一直延长也不会相交,中间的距离一直一样,就是平行线。
例子:练习簿上的横线互相平行。
注意:会相交成直角的是垂直线。
parallel lines in daily life = garis selari dalam kehidupan
Two lines that never meet however far they go, staying the same distance apart, are parallel.
Example: the ruled lines in an exercise book are parallel to each other.
Watch out: lines that meet at a right angle are perpendicular.
Bahagian C · 5
4 kg 800 g gula dibahagi sama banyak ke dalam 6 bekas. Berapakah jisim gula dalam setiap bekas?
质量平分 = bahagi jisim
先把公斤和克全部换成克,再除以份数。答案太小时可以留在克。
例子:2 kg 400 g ÷ 4 = 2 400 g ÷ 4 = 600 g。
注意:1 公斤是 1 000 克。
sharing mass = bahagi jisim
Change everything into grams first, then divide by the number of parts. The answer can stay in grams.
Example: 2 kg 400 g ÷ 4 = 2 400 g ÷ 4 = 600 g.
Watch out: 1 kg is 1 000 g.
Bahagian C · 6
3 ℓ jus dituang ke dalam gelas. Setiap gelas memuatkan 250 mℓ. Berapakah gelas yang dapat diisi penuh?
可以装几杯 = berapa gelas
先把升换成毫升,再用总容量除以一杯的容量。
例子:2 ℓ = 2 000 mℓ,每杯 500 mℓ,可以装 4 杯。
注意:单位要一样才可以除。
how many glasses = berapa gelas
Change litres into millilitres, then divide the total volume by the volume of one glass.
Example: 2 ℓ = 2 000 mℓ; with 500 mℓ per glass, that fills 4 glasses.
Watch out: the units must match before dividing.
Bahagian C · 7
Sebuah taman berbentuk segi empat tepat berukuran 15 m × 8 m. Kos menanam rumput ialah RM3 bagi setiap 1 m². Berapakah jumlah kos?
面积再乘单价 = luas × harga
先求要种草的面积(长乘宽),再用每平方米的价钱乘以面积。
例子:10 m × 4 m = 40 m²,每 m² RM2,共 RM80。
注意:要用面积,不是周长。
area times price = luas × harga
Find the area to be planted (length × width), then multiply it by the price per square metre.
Example: 10 m × 4 m = 40 m²; at RM2 per m², that costs RM80.
Watch out: use the area, not the perimeter.
Bahagian C · 8
Ada 200 orang murid. 30% daripada mereka memilih badminton. Dalam piktograf, 1 simbol mewakili 10 orang murid. Berapakah simbol untuk badminton?
百分比再换符号 = peratus ke simbol
先求人数:30% 就是每 100 人里有 30 人,200 人就是两个 100。求出人数后,再除以一个符号代表的人数。
例子:100 人的 40% 是 40 人;一个符号代表 5 人,画 8 个。
注意:30 不是人数,是百分比。
percentage to symbols = peratus ke simbol
First find the number of pupils: 30% means 30 out of every 100, and 200 is two hundreds. Then divide that number by how many pupils one symbol stands for.
Example: 40% of 100 is 40 pupils; with one symbol for 5, draw 8.
Watch out: 30 is a percentage, not the number of pupils.
Bahagian C · 9
Nisbah kereta kepada motosikal di tempat letak kenderaan ialah 1 : 6. Ada 42 buah motosikal. Berapakah kereta?
比的应用 = aplikasi nisbah
1 : 6 表示汽车 1 份、摩托车 6 份。摩托车的数目是 6 份的总数,先求 1 份。
例子:比 1 : 3,大的是 18,1 份是 6。
注意:汽车比较少,答案应该比 42 小。
using a ratio = aplikasi nisbah
1 : 6 means cars are 1 part and motorcycles 6 parts. The number of motorcycles is the total of 6 parts, so find 1 part.
Example: with a ratio of 1 : 3 and the larger amount 18, 1 part is 6.
Watch out: there are fewer cars, so the answer should be less than 42.
Ringkasan
Syabas!
25 soalan selesai!
Tahniah! Kamu telah mengulang kaji Bab 4 hingga Bab 8. Ulang soalan yang kamu salah sehingga betul pada cubaan pertama.
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