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.
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 »Feb17
Imagine that you have to solve the following addition problem that combines decimals and fractions: It’s not so easy to add a fraction to a decimal, right? It’s much easier to add fractions to fractions, or decimals to decimals. So, we can do this in two ways: Change the decimal to a fraction. Change the […]
Continue reading »Feb15
Do you remember your multiplication tables? Do you remember how to perform 1 digit divisions? Knowing how to do these things is important for being able to solve problems involving dividing 2 digit numbers. Are you prepared to continue? Before beginning, I am going to remind you of the different parts of a division problem […]
Continue reading »Feb13
Have you learned how to multiply with decimals yet? Today we are going to review three different cases of multiplication with decimals. Multiplication with decimals and whole numbers In this case, we are multiplying a decimal by another number without decimals, as in the example: Step 1: We place both numbers so that the […]
Continue reading »Feb10
We are going to take a look at some straight lines in today’s post. The first thing that’s on the agenda is to define what exactly straight lines are in order to differentiate them from curved lines. Then, we’ll have a look at the concepts of rays, line segments, and open rays. What is a […]
Continue reading »Feb09
Today we are sharing the latest news about the Smartick logic sessions! As you will know if you are one of our students or a tutor, logic sessions are a Smartick favorite. Why? Because they are different from the normal arithmetic sessions, each exercise is different and there is no automatic way to solve them. […]
Continue reading »Feb08
Today, we present our five addition tricks.They are super helpful and will help you add faster, getting the answer right every time. Count from the number Start with one of the numbers and keep counting onwards. For example: 7 + 2 Start on 7 Count 2 more…until you hit 9 So, 7 + 2 = 9 […]
Continue reading »Feb06
In today’s post, we are going to work with time word problems. We’ll take a look at some examples and solve them together. Let’s begin! Time Word Problem 1: The Sailboat Race In a sailboat race, the winning boat completed two distances in the following times: 2 min 22 seconds and 3 min 45 seconds. How […]
Continue reading »Feb03
Today, we will be learning to use “borrowing,” (sometimes called “regrouping”) in a subtraction problem. In order to do this we need to remember how the elements of a subtraction problem are placed: Place the number being subtracted under the number being subtracted from so that place values in the same column match. Subtract each […]
Continue reading »Feb02
In today’s post, we’re going to study the concept of ratios using the “Singapore Bar Model” methodology. First, we need to take into consideration that two quantities can be compared in different ways. By subtracting, by a fraction, and by multiplying…but today, we’re going to use ratios as a factor of comparison. To be able to […]
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 »Jan30
This week we will address the topic of measurements of length. Do you know what they are? Do you know what they are used for? We will explain it to you in this post. The length determines the distance between two points, or in other words, it is the amount of space between two points. For […]
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