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 […]

Jan 16

Jan 13
In this post we are going to learn a strategy for mental calculation 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 […]

Dec 14
In this post, we are going to learn how to add decimal numbers. For example: 52.7 + 4.6 The most important thing about adding decimals is to put the decimal numbers in the correct position. For this, we have to align the decimals and be sure all digits of the same place value are […]

Dec 03
In this post, we are going to learn to analyze, think about, and solve problems that require subtraction. At Smartick, we believe that a student understands and knows math the best when they have the ability to solve problems correctly. Therefore, we are going to analyze 5 different problems that require subtraction to reach a […]

Nov 28
In this post we are going to learn to analyze, think about, and solve addition problems. Usually, failure in mathematics comes from not understanding well the problems that we are given. This is why we are going to analyze 5 problems which require addition to solve. Addition Problems nº 1 There were 8 cars in […]
I want to learn about: Addition and Subtraction
Contenido generado sobre sumas y restas de matemáticas de primaria