Did you read the blog on addition and subtraction facts? Let's continue this thought with 4-digit addition, using the Cotter Abacus. This approach and process helps child understand how and why the traditional addition algorithm works. Start by ... Read More
Did you check out our blog on division? And did you read about short division? Isn't that just wonderful? Now, let's talk about some practice for short division. When I was a child, my mother created puzzles for my siblings and me. They were ... Read More
Long division used to be considered the ultimate goal of arithmetic. An earlier division algorithm was so complicated it wasn’t taught until college. Today some students learn a mnemonic in order to remember what to do when in the long division ... Read More
Addition Addition can be thought of as finding the whole when the parts are known. Place value greatly simplifies finding the sum of two numbers. To be efficient in adding, we start with the sums of numbers 1 + 1 through 9 + 9. These are best ... Read More
Measurement is an application of math that is an important part of everyday life. We measure length, area, volume, mass (weight), temperature, time, angles, and many other attributes. For more than simple comparisons, we need numbers and a basic ... Read More
When teaching math to a child, there are three important questions to consider: Are manipulatives necessary for teaching math? What is the purpose of manipulatives? Are some manipulatives better than others? First of all, let's define ... Read More
