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Dividing Numbers by A One-Digit Number Video Lecture | Mental Maths - Class 1

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FAQs on Dividing Numbers by A One-Digit Number Video Lecture - Mental Maths - Class 1

1. How do I divide a number by a one-digit number?
Ans. To divide a number by a one-digit number, you can use the long division method. First, write the dividend (the number being divided) on the top and the divisor (the one-digit number) on the outside. Then, proceed to divide as you would with any long division problem, finding the quotient and remainder if necessary.
2. What is the easiest way to divide numbers by a one-digit number?
Ans. One of the easiest ways to divide numbers by a one-digit number is to use mental math. By memorizing the multiplication table and understanding basic division facts, you can quickly determine the quotient without going through the long division process. For example, if you know that 8 divided by 2 is 4, you can easily calculate 80 divided by 2 as 40.
3. Can a one-digit number evenly divide any number?
Ans. No, a one-digit number may not always evenly divide any given number. Whether a one-digit number can evenly divide a number depends on the divisibility rules. For example, if the one-digit number is 2, it can evenly divide any even number. However, if the one-digit number is 3, it can only evenly divide a number if the sum of its digits is divisible by 3.
4. What is the significance of dividing numbers by a one-digit number?
Ans. Dividing numbers by a one-digit number is a fundamental arithmetic operation that helps us understand and solve real-life problems involving sharing, equal distribution, ratios, rates, and proportions. It allows us to divide quantities into smaller parts to determine fair shares or calculate rates of change, among other applications.
5. Are there any shortcuts or tricks to divide numbers by a one-digit number?
Ans. Yes, there are some shortcuts or tricks that can simplify the division process. For example, if the divisor is 9, you can quickly find the quotient by subtracting the sum of the digits in the dividend from 9. Additionally, if the divisor is 5, you can simply divide the last digit of the dividend by 2 and add a decimal point to get the quotient. These shortcuts can save time and mental effort when dividing numbers by a one-digit number.
30 videos|62 docs|10 tests

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