Fácil e Rápido | APRENDA DIVISÃO EM 6 MINUTOS

Summary

This educational video teaches viewers how to solve division problems step-by-step using simple examples. The presenter explains how to divide numbers like 12 by 3, 42 by 3, and more complex numbers such as 184 by 8. They use real-life examples, such as distributing oranges, to clarify concepts. The video emphasizes understanding the multiplication and subtraction steps within division and covers both exact divisions and those with remainders. Viewers will learn techniques to handle different division scenarios and are encouraged to practice the methods demonstrated.

Takeaways

• 🍊 Understanding Division: The video starts with a basic example using 12 oranges divided among 3 people, showing that each person gets 4 oranges, with no remainder.
• ➗ Division Concept: The result of a division is the number that, when multiplied by the divisor, gives the dividend. Example: 12 ÷ 3 = 4 because 4 × 3 = 12.
• 🔍 Exact Division: The video explains how to identify an exact division, where the remainder is zero, as seen in 12 ÷ 3 = 4 with a remainder of 0.
• 🧠 Larger Numbers: Examples with larger numbers, like 42 ÷ 3, demonstrate finding the quotient by dividing the numbers step-by-step, ensuring the closest number without exceeding the dividend.
• 🤔 Dividing by Smaller Numbers: Division with smaller remainders is discussed, like dividing 65 by 3, showing how to handle remainders at different stages.
• 🔄 Subtraction Technique: The video emphasizes using subtraction to determine how much of the dividend remains after each step, such as 18 - 16 = 2 in the example of 184 ÷ 8.
• 🔢 Remainders in Division: The importance of understanding remainders in division is highlighted, noting that remainders must be less than the divisor to complete the division process.
• 📊 Working with Decimal Divisions: An example of decimal division (like 1 ÷ 8) shows how to extend divisions by adding zeros after the decimal point to continue dividing.
• 📝 Division Strategies: Strategies for dividing numbers, like breaking them into manageable parts or using multiplication to check the quotient, are discussed.
• ⏰ Time Management: The video suggests practicing division problems within a set time to improve speed and accuracy, giving examples of solving within 6 minutes.

Q & A

What is the main topic of the video script?

The main topic of the video script is teaching division, specifically how to divide numbers and understand the concept of remainders in division.

How many minutes does the presenter have to explain the division concept?

The presenter has 6 minutes to explain the division concept.

What is the first example given in the script to illustrate division?

The first example is dividing 12 oranges among 3 people.

What is the result of dividing 12 by 3 as per the script?

The result of dividing 12 by 3 is 4, with no remainder, as each person gets 4 oranges.

How does the script explain finding the quotient when dividing 42 by 3?

The script suggests finding a number that when multiplied by 3 gives a result close to but not exceeding 42, which in this case is 14 (since 14 x 3 = 42).

What is the method described in the script for dividing numbers that are close to a multiple of the divisor?

The method involves finding the largest whole number that, when multiplied by the divisor, is less than or equal to the dividend, and then adjusting for any remainder.

What is the result of the division 65 by 3 according to the script?

The result of dividing 65 by 3 is 21 with a remainder of 2, as 21 times 3 equals 63, and 65 minus 63 equals 2.

How does the script handle division when the divisor is 8, as shown in the example of 184 divided by 8?

The script suggests starting with the largest number less than the dividend that is divisible by 8, which is 16 (2 times 8), and then subtracting this product from the dividend to find the remainder.

What is the significance of the number 10 in the division examples provided in the script?

The number 10 is significant as it is used as a reference point to find the quotient when dividing by 8, as it is the largest number that can be multiplied by 8 to stay below the dividend.

How does the script handle division with remainders, as seen in the example of 40 divided by 8?

The script shows that if there is a remainder after division, you can continue the process by placing a decimal point and adding more digits to the quotient until the remainder is zero or the desired level of precision is reached.

What is the final example of division given in the script?

The final example of division given in the script is 12 divided by 5, which is not completed within the time limit set for the explanation.