Matematika Kelas 4: Pembulatan Hasil Pengukuran

The given scale is used to measure weight, which is commonly associated with measuring the weight of a person's body. Therefore, the correct answer is "Berat badan" (body weight).

The correct answer is cm. The question is asking about the unit of length used on a ruler. The options given are km, dam, dm, and cm. Among these options, cm is the most commonly used unit on a ruler for measuring small distances. Km is used for longer distances, dam is not commonly used for measuring length, and dm is less commonly used compared to cm.

The correct answer is "Penggaris" because a ruler is a tool specifically designed to measure length accurately. It has markings in centimeters and millimeters, which can be used to measure the length of a pen precisely. A balance scale (neraca), stopwatch, and body weight scale (timbangan badan) are not suitable for measuring the length of a pen.

Based on the image, the length of the eraser can be estimated to be around 4 cm.

The correct answer is "Meteran rol besar". The image shows a large rolling measuring tape, which is commonly used to measure longer distances. This type of measuring tool is typically used in construction, engineering, and other industries where precise measurements of larger lengths are required.

The correct answer is "Meteran pita". Meteran pita is a measuring tool commonly used by tailors to measure the length of fabric or garments. It consists of a flexible tape with markings in centimeters or inches, allowing for accurate measurements. This tool is essential for ensuring precise and consistent measurements in the process of sewing and tailoring.

Based on the information provided, the weight of the watermelon in the picture is approximately 4 kg.

Based on the given image, the length of the pencil appears to be closer to 14 cm.

Tasya memiliki pita sepanjang 14 cm lebih 8 mm. Kita perlu mengkonversi 8 mm ke dalam cm terlebih dahulu. Karena 10 mm = 1 cm, maka 8 mm = 0,8 cm. Jadi, panjang pita Tasya adalah 14 cm + 0,8 cm = 14,8 cm. Ketika dibulatkan ke xm terdekat, angka desimal 0,8 akan bulat ke atas menjadi 1. Jadi, panjang pita Tasya yang dibulatkan adalah 15 cm.

The question states that Edo's height is 125 cm plus 4 mm. To round it to the nearest unit, we ignore the 4 mm and look at the whole number, which is 125 cm. Therefore, the correct answer is 125 cm.

The given question asks for the weight of Ajeng when rounded to the nearest unit. Ajeng's weight is 34.6 kg, and when rounded to the nearest unit, it becomes 35 kg.

The given question asks for the weight of the papaya when rounded to the nearest kilogram. The answer "2 kg" is correct because when rounding a number, if the decimal part is less than 0.5, it is rounded down. Since the weight of the papaya is not specified, we can assume it is less than 2.5 kg. Therefore, when rounded to the nearest kilogram, the weight would be 2 kg.

The correct answer is D. Alat ukur berat yang biasa digunakan di supermarket untuk menimbang buah-buahan adalah timbangan.

The given question asks for the weight of the mango rounded to the nearest unit. The weight of the mango is given as 2.345 kg. When rounding to the nearest unit, we look at the digit in the tenths place, which is 3. Since 3 is greater than or equal to 5, we round up the whole number, resulting in a weight of 3 kg. Therefore, the correct answer is 3 kg.

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The given question is asking for the length of a pencil when rounded to the nearest centimeter. The length of the pencil is stated to be 10 cm plus 9 mm. To convert the 9 mm to cm, we divide it by 10, which equals 0.9 cm. Adding this to the 10 cm, we get a total length of 10.9 cm. When rounding to the nearest centimeter, 10.9 cm would be rounded up to 11 cm. Therefore, the correct answer is 11 cm.

The correct answer is "Meteran rol kecil". The image shows a small rolling tape measure, which is commonly used for measuring smaller distances. It is characterized by its compact size and the ability to easily retract the tape into the casing. This type of tape measure is suitable for measuring objects that require a more precise and flexible measurement tool.

The correct answer is "144 cm kebih 6 mm." This means that the bamboo's length before rounding could be 144 cm plus an additional 6 mm.

The difference between the weight of the oranges and the weight of the apples is 1.575 kg. When rounded to the nearest whole number, this becomes 2 kg. Therefore, the correct answer is 2 kg.

The given question states that the weight of a fish is 2 kg plus 50 grams. To round off the weight to the nearest kilogram, we need to consider the decimal part. Since the decimal part is 50 grams, which is less than 500 grams, we round down to the nearest kilogram. Therefore, the weight of the fish when rounded off to the nearest kilogram is 2 kg.