Learn mathematics with Smartick. Exercises, tutorials, problems and teaching resources for children learning elementary mathematics. Here you will find posts about mathematics to make learning easier and more fun.
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 »Aug04
In today’s post, we are going to take a look at the distributive property from a geometric point of view. You can consult these entries for more information on this property: Multiplication Properties Distributive Property from a Geometric point of view: We’re going to start by drawing a striped rectangle that’s divided into two smaller […]
Continue reading »Aug02
In this post, we’re going to go a little further with proportional relationship. Let’s take a look at some different examples of ratio and proportion in everyday life. Before we begin, let’s review both of these concepts in the following link: Ratio and Proportion. As we’ve mentioned before, it’s all about two ways of relating quantities, […]
Continue reading »Jul31
In this post we are going to learn a simple way of multiplying by 25 and 75. First, we’ll learn the method and then we’ll give mental math a shot. Multiplying by 25: The number 25 is 100 divided by 4. So, in order to multiply by 25 what we have to do is […]
Continue reading »Jul28
In today’s post we will look at how to calculate the square of the sum of two numbers a and b, (a + b) ². Notable Identities: For example: We built a square with sides of a + b units length: If we calculate the area of this square (we know that the area […]
Continue reading »Jul26
In today’s post, we are going to explain exercises with subtracting fractions. We will also see some of the Smartick activities about subtracting fractions that children complete during their sessions. In an earlier blog post, we explained how to subtract fractions. You can take a look and review this post before reading more. In order […]
Continue reading »Jul26
In today’s post, we are going to look at how to subtract fractions; but in order subtract them, first you’ll have to know what the denominator and numerator mean in a fraction: The numerator is the number that is written in the top part of the fraction and the denominator is the number that is […]
Continue reading »Jul24
In this post, we are going to learn how to round and use estimation in subtraction problems. Mastering this skill is helpful in verifying that an exact answer is of the correct order of magnitude and also in determining whether an answer is reasonable or not. Round and Estimating Subtraction Problems in Tens Round the […]
Continue reading »Jul21
The associative property states that the way in which factors are grouped together doesn’t affect the result of an operation: (A x B) x C = A x (B x C) Okay, so we know that the volume of a prism is calculated by multiplying the area of the base by the height: (B x […]
Continue reading »Jul19
Do you want to know how to solve a multiplication problem? Have you already learned how to multiply? Did you know that solving problems is the best way to learn multiplication? That’s why we are going to look at the different steps that we need to follow in order to solve a multiplication problem. Let’s […]
Continue reading »Jul17
Today we are going to look at some examples on solving 1-digit division problems. In these types of problems, we need to divide numbers by a divisor that only has 1 digit. Before starting, feel free to click on the following links to review how to divide by 1-digit numbers: Division Word Problems With Decimals Ready? Let’s […]
Continue reading »Jul14
In this post, we are going to learn how to divide fractions. In order to do so, I’m going to teach you two simpler ways that will help you divide fractions. Method 1 to Divide Fractions: Cross Multiplication This method consists of multiplying the first fraction’s numerator by the second fraction’s denominator. Then we place that […]
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