Sep19
Today we will look at the symbols = > <, what they mean, when we can use them and some other curiosities. Let’s start with the best known: the equal sign (=). Did you know that we started using the equal sign more than 450 years ago? The first to do so was the doctor and […]
Continue reading »Sep16
In the post for this week, we will take a look at factorization. What is it? Why do we use it? How is it done? These are some of the questions we will answer in this post. What is factorization? Factors of a number are numbers that divide evenly into another number. Factorization writes a […]
Continue reading »Sep15
When you move to the U.S. and launch your new product in a city like Boston, you get access to a wonderfully involved, supportive startup community. One part of this community is a new product showcase called Mass Innovation Nights (MIN). MIN is a monthly product launch party and networking event designed to connect startups […]
Continue reading »Sep14
Parents loom large in the development of their children’s personalities. As the Pixar film Inside Out shows it, parents form the biggest “islands” (personality aspects) for their children. As the principle socialization agents for their children, parents have a large array of resources at their disposal to mold their children’s behavior. “Have you eaten […]
Continue reading »Sep13
In today’s post, we are going to review vertical adding. As always, we are going to review with examples that help us understand what it consists of and how it’s done. But before starting, let’s review the math cubes that we’re going to use in order to add. How do we represent a number with […]
Continue reading »Sep12
In today’s post we will learn some tricks to solve combined operations in a simpler way. Example 1 Look at these two operations: Have you finished it yet? Have you noticed that the two results are the same? Which of the two was easier to multiply? Converting an operation to an equivalent one can help […]
Continue reading »Sep09
Today we are going to look at division problems: How do we recognize them? What different models are there? What do we do to solve them? 1. Division Problems: Repetition This is the first type of division problem you are going to learn to do. For example: In my living room, there are 120 books in […]
Continue reading »Sep08
A few months ago we talked in this post about the differences between the Dutch Rekenrek abacus versus the traditional Japanese Soroban and the analogy with hands. Today we will make some comments on the advantages of the Rekenrek compared to the Soroban to encourage varied strategies in children when doing the same calculation. One […]
Continue reading »Sep07
Several scientifically-based studies, by Walter Mischel, Martin Seligman, Angela Duckworth, and others, confirm that cognitive ability (measured, for example, by IQ) is not a reliable indicator of success and achievement. How do we define success and achievement? We look at academic indicators (like grades and test scores) or social factors (a career, stable family life, […]
Continue reading »Sep06
In today’s post, we will look at the origins of the months in a year. Throughout history, the act of telling time has been a necessity for human beings. Wanting to have more control over time, mankind took the approach of a chronological division of semantic time. We presume that an astronomical year lasts 365 days, […]
Continue reading »Sep05
In today’s post, we will take a look at open and closed polygonal lines. But first, we need to know what polygons are: polygonal lines are several straight segments placed together. Polygonal lines can be classified as open or closed. A polygonal line is open when the segments do not all connect at the beginning […]
Continue reading »Sep02
In this post, we are going to learn the divisibility guidelines for numbers 7 and 13. Divisibility Guidelines for 7 In order to know if a number is divisible by 7, we take the number without the units digit and subtract two times the units digit from this number. Then use the resulting number and […]
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