Latihan Soal ANBK Literasi Numerasi SMP 2023

Summary

This video script from the Legolas channel offers an educational walkthrough of 20 minimum competency assessment problems in numeracy literacy, covering topics like geometry, algebra, and probability. The host guides viewers through each problem, using diagrams and step-by-step explanations to simplify complex concepts. The script also touches on Indonesian cultural elements, such as 'bakso' and 'soto', and encourages practice for better understanding. The video concludes with an invitation to explore more educational content on the channel.

Takeaways

• 📚 The video is an educational resource aimed at helping students prepare for minimum competency assessment in numeracy literacy.
• 📉 The script includes a variety of math problems, starting with a problem about fabric area and division, illustrating the concept of fractions and area calculation.
• 🍲 It discusses a problem involving food preferences, using a Venn diagram to solve a question about the number of students who prefer bakso, soto, or both.
• 📦 The script explains how to calculate the net and gross weight of a product, using the example of a canned fruit dessert and its packaging weight.
• 🔢 A problem about calculating percentages is presented, emphasizing the importance of understanding the relationship between net weight, tare, and gross weight.
• 🍚 The video covers geometric problems, such as calculating the volume of a cone-shaped nasi tumpeng using the formula for the volume of a cone.
• 📐 It explains the concept of parallel and intersecting lines within a 3D shape, specifically a cube, and how to determine which lines intersect or are parallel.
• 🎈 The script includes a problem about creating a kite-shaped balloon, using the Pythagorean theorem to find the length of the diagonal and the circumference.
• 🏢 A problem about determining the type of triangle based on the lengths of its sides is discussed, using the relationship between the squares of the sides to identify if it's acute, obtuse, or right-angled.
• 🌴 The video presents a problem involving the calculation of the length of a shadow, using the concept of similar triangles to find the unknown length.
• 🔄 The script touches on the concept of geometric transformations, such as rotation, and how they affect the position but not the area of a shape.

Q & A

What is the main topic of the video?

The main topic of the video is to teach about minimum competency assessment, specifically literacy in numeracy, through various math problems.

How many math problems are discussed in the video?

The video discusses a total of 20 math problems.

What is the first problem about?

The first problem is about calculating the area of a piece of cloth called 'kain ulos' from North Sumatra, which is divided among family members.

In the cloth division problem, what fraction of the cloth does Neni receive from her mother?

Neni receives 5/12 of the cloth from her mother.

What is the second problem related to?

The second problem is related to determining the correct statement about the preferences of students in a class for bakso and soto, two traditional Indonesian foods.

How many students like both bakso and soto according to the second problem?

According to the second problem, 7 students like both bakso and soto.

What is the third problem about?

The third problem is about calculating the net weight and the percentage of tare (the weight of the packaging) of a canned fruit.

In the canned fruit problem, what is the net weight of the fruit in grams?

The net weight of the fruit is 640 grams.

What is the fourth problem concerning?

The fourth problem concerns calculating the volume of a nasi tumpeng, a cone-shaped traditional Indonesian rice dish.

What is the base area of the nasi tumpeng in the fourth problem?

The base area of the nasi tumpeng is calculated using the formula for the area of a circle, πr², where r is 14 cm.

What is the fifth problem about?

The fifth problem is about identifying which lines are parallel in a cube, where each vertex is labeled with letters.

In the cube problem, which lines are asked to be identified as parallel?

In the cube problem, the lines AE are asked to be identified in relation to other lines to determine if they are parallel.

What is the sixth problem discussing?

The sixth problem is discussing the calculation of the material needed for a kite shaped like a rhombus, with given diagonal lengths.

What are the lengths of the diagonals of the kite in the sixth problem?

The lengths of the diagonals of the kite are 160 and 120 units.

What is the seventh problem about?

The seventh problem is about determining the type of triangle formed by the dimensions of a window frame.

In the window frame problem, what are the lengths of the sides of the triangle?

The lengths of the sides of the triangle are 6, 7, and 9 units.

What is the eighth problem concerning?

The eighth problem concerns calculating the surface area needed for weaving a traditional Indonesian 'nampan' using bamboo.

What is the diameter of the 'nampan' in the eighth problem?

The diameter of the 'nampan' is 28 cm.

What is the ninth problem about?

The ninth problem is about using the concept of similar triangles to find the length of a tree's shadow based on the length of a power line's shadow.

In the tree and power line shadow problem, what is the height of the power line?

The height of the power line is 4 meters.

What is the tenth problem discussing?

The tenth problem is discussing the properties of a square's area and position after a 90-degree rotation.

What is the area of the square in the tenth problem before rotation?

The area of the square before rotation is 40 square centimeters.

What is the eleventh problem about?

The eleventh problem is about calculating the area of a square given its perimeter.

In the square area calculation problem, what is the perimeter of the square?

The perimeter of the square is 64 cm.

What is the twelfth problem concerning?

The twelfth problem concerns solving an equation to find the number of 'kelereng mail' based on the number of 'kelereng Jarjit'.

In the 'kelereng' problem, how many 'kelereng Jarjit' are there?

There are 34 'kelereng Jarjit'.

What is the thirteenth problem about?

The thirteenth problem is about calculating the total number of small 'getuk' pieces made from a large 'getuk' through a series of cuts.

In the 'getuk' cutting problem, what is the initial number of large 'getuk' pieces?

There are initially 15 large 'getuk' pieces.

What is the fourteenth problem discussing?

The fourteenth problem is discussing the validity of a linear equation and checking if a given point lies on the line.

What is the equation in the fourteenth problem?

The equation in the fourteenth problem is y = 4x + 2.

What is the fifteenth problem about?

The fifteenth problem is about finding the value of a function given a specific input.

In the function value problem, what is the function?

The function is f(x) = 3x - 5.

What is the sixteenth problem concerning?

The sixteenth problem concerns writing the equation of a line formed by a straight stick leaning against a wall.

In the stick against the wall problem, what are the coordinates of the end of the stick on the ground?

The coordinates of the end of the stick on the ground are (1,0).

What is the seventeenth problem about?

The seventeenth problem is about finding the roots of a quadratic equation.

What is the quadratic equation in the seventeenth problem?

The quadratic equation is x² - b, where b is a specific value that needs to be factored.

What is the eighteenth problem discussing?

The eighteenth problem is discussing the incorrect statement about the ratio of red to blue clothes and the difference in their quantities.

In the clothes ratio problem, what is the incorrect statement about the ratio of red to blue clothes?

The incorrect statement is that the ratio of red to blue clothes is 3 to 4, which is claimed to be a value ratio.

What is the nineteenth problem about?

The nineteenth problem is about determining the mode of extracurricular activities among students in a school.

In the extracurricular activities problem, which activity has the highest number of participants?

Voli has the highest number of participants, with 150 students.

What is the twentieth problem concerning?

The twentieth problem concerns calculating the probability of rolling an even number and a prime number with a die.

In the dice rolling problem, what is the only even prime number?

The number 2 is the only even prime number.