Jan19
In this entry, we will learn the importance of the parentheses when performing calculations with signs (negative) in the powers. We all know that multiplication is an abbreviated form of writing a reiterated sum. For example, 2 + 2 + 2 + 2 + 2 can be more simply written as 2 x 5. In […]
Continue reading »Jan18
In this post, you are going to learn how to do 3-digit division. Before beginning to divide, it is important that you know the multiplication tables (1×1 through 9×9) because you need them to solve division. Once you know the multiplication tables, you can begin to do 3-digit division. The steps that you must follow […]
Continue reading »Jan16
In this post, we’re going to explain what adding with an unknown quantity is and why it’s taught during the first years of Elementary school. Some people think it’s strange that children are taught such an important variable, like an unknown quantity, in addition problems shortly after the children have just started to get used […]
Continue reading »Jan13
In this post, we are going to learn mental calculation strategies, which we can use when one of the two numbers is near a multiple of ten. We round the number up to that nearest multiple of ten, and then we add or subtract the digits that are left. We’re going to take a look […]
Continue reading »Jan11
In this post, we are going to see how to subtract fractions, but for that, you first have to know what the denominator and numerator of a fraction are. The numerator is the number that is written on top of the fraction and the denominator is the number written on the bottom of the fraction. […]
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 »Jan06
Rounding decimals to the nearest whole number or the tenths, hundredths, thousandths is easy! In this post, we are going to learn to round decimal numbers. Rounding decimals helps us to manage the numbers more easily in order to operate them. Rounding decimals to the nearest whole number To round a number to the nearest whole […]
Continue reading »Jan05
In today’s post, we will explain the origin of the mathematical symbols of division and multiplication. The Symbol of Division: There have been many ways of designating division and we are going to explain the origin of some of the symbols most used and best known by all. The horizontal bar of fractions, introduced by […]
Continue reading »Jan04
In today’s post, we are going to talk about Venn diagrams. Venn Diagrams are used to graphically show the grouping of elements in sets, representing each set in a circle or an oval. We are going to look at and study examples of 2 sets: Set A and Set B.These two sets show 2 […]
Continue reading »Jan02
In this post, we are going to learn how to multiply by two-digit and three-digit numbers. Before we begin, let’s review what the multiplication terms are: Factors: Factors are numbers that are being multiplied. Product: The product is the result of the multiplication. Multiplicand: The multiplicand is the number (factor) that gets multiplied. Multiplier: The […]
Continue reading »Dec28
In this post, we are going to check out some examples of division exercises in order to learn the concept of division. Dividing is splitting something up into equal parts and in order to understand it, let’s look at this concept with the help of some exercises to understand all the steps of division, as […]
Continue reading »Dec26
Are you ready to learn how the greatest common factor is calculated? We’ll explain it to you in this post along with examples and videos to help you better understand the GCF. It’s also called GCD (Greatest Common Divisor) and HCF (Highest Common Factor). Let’s go! What is the Greatest Common Factor (GCF)? In mathematics, the […]
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