Welcome, again, to Smartick’s blog. Today we are going to explain the exercises on subtracting fractions. The first thing you need to know before going ahead with the exercises is how to calculate the least common multiple of different numbers. The following link will take you to the post where we explain the steps on […]

Mar 22

Mar 17
In today’s blog post we are going to look at whole numbers: what they are and how to add and subtract them. Let’s start by understanding what whole numbers really are: Whole numbers are numbers that aren’t a fraction or a decimal. These numbers include natural numbers (1, 2, 3…), negative numbers (1, 2, 3…) […]

Feb 08
Today, we present our five tricks for Addition. They are super helpful and will help you add faster, getting the answer right every time. 1. 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 + […]

Feb 03
Today we will be learning to use “borrowing,” (sometimes called “regrouping”) in a subtraction problem. In order to do this we will remember how the elements of a subtraction are placed: Place the number being subtracted under the number being subtracted from so that place values in the same column match. Subtract each column separately starting […]

Jan 16
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 […]
I want to learn about: Addition and Subtraction
Contenido generado sobre sumas y restas de matemáticas de primaria