Nov25
Singapore Math Bar Models are a very useful, visual method to teach simple word problems. Some weeks ago we learned how to use the Singapore Bar Models applied to fractions and today we are going to use it for multiplication and division problems. We have two quantities where one is a multiple of the other. Assuming […]
Continue reading »Nov23
In this post, we are going to learn how to divide fractions. In order to do this, we are going to take a look at two different methods: Method 1 for dividing fractions: Cross-multiplication This method consists of multiplying the numerator of the first fraction by the denominator of the second fraction and then writing […]
Continue reading »Nov21
Combined operations In this post, we are going to learn the order of operations that you have to follow to do combined operations: addition, subtraction, multiplication, and division. Combined operations cannot be done in a random manner. You have to follow an order: Step 1: Do the operations that are inside of the parentheses. For […]
Continue reading »Nov18
In today’s post, we are going to learn about addition with regrouping. Addition with regrouping consists of addition problems where the answer to the calculation is 10 or a larger number. For example, 6 + 7 = 13 is a regrouping addition problem. The steps to solve regrouping addition problems are the following: If the […]
Continue reading »Nov16
In today’s post, we are going to review the multiplication tables (times tables) with a trick so they don’t seem so long. Are you ready? Let’s get started! How Can We Learn Multiplication Tables Quickly? Have you noticed that all multiplication tables repeat numbers? Here’s an example: In the 1 times table, we have 1 […]
Continue reading »Nov11
Associative Property of Multiplication a x (b x c) = (a x b) x c Multiplication is an operation that has various properties. One of them is the associative property. This property tells us that how we group factors does not alter the result of the multiplication, no matter how many factors there may be. […]
Continue reading »Nov10
In this post, we’re going to decipher an answer’s sign by looking at the sign of a number’s power. To start off, let’s look at an example of what happens when the factor’s signs mingle. As we already know, we multiply the factors normally and later, we add the appropriate sign to the answer. Let’s […]
Continue reading »Nov09
In this post, we will learn the order that needs to be followed to solve combined operations: addition, subtraction, multiplication, and division. The combined operations cannot be performed at random, an order must be followed. Step 1: Perform operations that are within parenthesis. For example: 3 x (2 + 4). First, we do the operation […]
Continue reading »Nov07
In the U.S. the most common units for measuring mass are the ounce (oz) and the pound (lb). Technically, the pound is a measure of force, not mass, and the ounce can be a unit of volume or weight, which makes things even more confusing! But I won’t nitpick here! What is more important is […]
Continue reading »Nov03
In this post, you’ll learn another simpler, quicker and more efficient way to multiply these kinds of problems by applying the distributive property in multiplication. Surely, you all know how to calculate this multiplication problem, 23 x 4, using the multiplication algorithm: Or maybe you know how to do it mentally. 23 times 4 is […]
Continue reading »Nov02
In this post, we are going to learn about the guidelines behind knowing if a number is divisible by 6, 8, or 12. Divisibility guidelines for 6, 8 and 12. Divisibility guidelines for 6: To know if a number is divisible by 6, you have to first check if it is divisible by 3 and […]
Continue reading »Oct31
Hello! Today we’re going to learn how to solve 1 digit division problems. Are you ready to end October with a 1 digit division problem? First, we need to know the parts of a division problem: Dividend: The number that you have to divide. Divisor: The number that the dividend is being divided by. Quotient: […]
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