Video explanation

K8

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6 min read
Is 79 a prime number?
Blog K8
Some numbers are just amazing! For example, 11, 31, and 37 are all prime numbers and their sum is another prime number: 11 + 31 + 37 = 79. But that isn’t all l! When we reverse their digits we get the prime numbers: 11, 13, and 73 whose sum is the reverse of 79, […]

Dino

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5 min read
Is 59 a prime number?
Blog K8
We can see 59% of the Moon’s surface from Earth. Also, number 59 corresponds to the last minute in an hour, and to the last second in a minute. Those are only some appearances of 59 in our daily basis. A factor of a natural number is a positive divisor of the number. A proper […]

Dino

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4 min read
What are the multiples of 5?
Blog K8
What are the multiples of 5? We know that multiples are the result we get when we multiply two numbers. In other words – a multiple is a product of two numbers. You can also remember that word ‘multiple’ means the multiplication of two numbers. The multiples of 5 are the values that we get […]

Dino

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6 min read
Is 29 a prime number?
Blog K8
Did you know that while the Earth takes one year to orbit the Sun, Saturn takes about 29 years? This is only one example of the appearance of the number 29 in our lives. In mathematics, 29 also has great properties, like being a prime number. Be ready to know more about it! We will […]

Dino

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6 min read
Is 23 a prime number?
Blog K8
Did you know that humans usually have 23 pairs of chromosomes that contain the genetic information of our body? This is only one example of the many situations in which the number 23 appears in our lives. In what follows, we will study some properties of 23 as a prime number. We will start recalling […]

Dino

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6 min read
Is 37 a prime number?
Blog K8
Did you know that the average normal temperature of the human body is 37° C? This is only one of many curiosities about number 37.In mathematics, 37 is known as the 12th prime number. In what follows, we will study some properties of 37 as a prime number. We will start recalling some definitions that […]

Dino

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5 min read
Is 31 a prime number?
Blog K8
What do the numbers 31, 331, 3 331, 33 331, 333 331, 3 333 331, and 33 333 331 have in common? They are all prime numbers! That is pretty amazing! Don’t you think? In this article, we will learn why 31 is a prime number, and more of its properties. We will start recalling […]

Dino

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3 min read
What is 1/12 as a decimal?
Blog K8
1/12 as a decimal is 0.083 Want to practice? Solution All fractions can be converted to the decimal form by the long division method. The fraction $$\frac1{12}$$ can be written as $$1\div12$$. Let us do the long division for the given fraction. When the dividend is less than the divisor, add a decimal point to […]

Dino

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Everything you ever wanted to know about K-8 math! ArgoPrep’s kindergarten to 8th grade math blogs cover topics from state exams, classwork, homework, strategies, secrets, and more.

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