Apr06
Sometimes we may be interested in knowing if one number is divisible by another, without having to perform a division. This is especially useful when we work with large numbers that require a lot of time for completing calculations. If you would like to refresh your memory on divisibility criteria, take a look at this […]
Continue reading »Dec31
In this post, we are going to learn the criteria for divisibility of the number 4 and understand how they function. The divisibility criteria for the number 4 are rules to know if a number can be divided by 4. They are simple to learn and their explanations are easy to understand. How do we […]
Continue reading »Aug07
In this post we will learn the criteria of divisibility by 5. A number is divisible by 5 when dividing the number by 5 results in a remainder of zero. But how can we know without having to complete the division? Here we show you the easiest way. Divisibility criteria for 5: To determine if a number is […]
Continue reading »Jun07
In the post for this week, I will explain the criteria for the divisibility of 3. When they ask you “Is this number divisible by 3?” The most intuitive thing to do is to divide that number by 3, and if the remainder is zero then the number itself is divisible by 3. For example: One […]
Continue reading »May10
The criteria for divisibility are guidelines that help us to quickly know if a number is divisible or not. In other words, it lets us know if a number divides evenly or not. The criteria for divisibility are very useful. They help us easily find the divisors of a given number. They are especially helpful […]
Continue reading »Mar10
In this post, we will learn the criteria for the divisibility of 5. How can we know without having to do the division? Here we will show you the easiest way. Criteria of dividing by 5: To determine if a number is divisible by 5, that number must end in 0 or 5. If it ends with […]
Continue reading »Feb20
Why is it useful to know the divisibility of a number? It allows us to determine whether a number is divisible by another number without having to divide them. In this post, we are going to learn the divisibility guidelines for 9. Criteria for divisibility by 9: A number is divisible by 9 if the […]
Continue reading »Feb01
How can we find out if a number is divisible by 7? In this post, we are going to look at the divisibility guidelines for the number 7. One of the ways to find out is by dividing the number by 7. If the remainder is zero, we know that the number is divisible by […]
Continue reading »Jan09
Divisibility? What is that? Divisibility is when we divide number A by number B and the remainder is zero. In this case we say that A is divisible by B. For example, is 1368 divisible by 6? To find out we divide 1368 by 6: When we divide it we see that the remainder […]
Continue reading »Dec16
In this post, we are going to learn and practice the divisibility guidelines for 2, 5, and 10. Divisibility Guidelines for 2 In order to know if a number is divisible by 2, you have to check whether it is an even number. If it is even, it is divisible by 2. The even numbers […]
Continue reading »Nov02
In this post, we are going to learn about the guidelines behind knowing if a number is divisible by 6, 8, or 12. Divisibility guidelines for 6, 8 and 12. Divisibility guidelines for 6: To know if a number is divisible by 6, you have to first check if it is divisible by 3 and […]
Continue reading »Sep02
In this post, we are going to learn the divisibility guidelines for numbers 7 and 13. Divisibility Guidelines for 7 In order to know if a number is divisible by 7, we take the number without the units digit and subtract two times the units digit from this number. Then use the resulting number and […]
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