### Extracting Square Roots by Babylonian Method

I’ve came across an interesting way of extracting square roots using just pencil and paper. As far as I could remember, I haven’t encountered this method (nor any other method)…

### Star Problem: Ratio of girls and boys in a class

Problem: There are 40 pupils in a class. Each girl is given 5 books and each boy is given 3 books. The girls have 128 more books than the boys.…

### Star Problem: Work Rate – Painting Job

Problem: A worker can finish the painting job in 15 days. Another worker can finish only 75% of that job for the same time. At first, the second worker painted…

### Division using Napier’s Bones

On the previous post, we’ve learn the fun way of using Napier’s Bones to solve multiplication. Now, we will try to use Napier’s Bones to solve division problems.  The process might…

### Multiplication with Napier’s Bones

I’ve came across a cool way of doing multiplication. It is a method of multiplying large numbers using a grid or lattice layout, wherein it is somewhat similar to a…

### Expressing Roman Numerals to Hindu-Arabic System and vice-versa

The Roman Numeral System is an old numeration system that we still used today, you can find some on buildings, clocks and books. I will outline the approach I used…

### Comparing and Arranging Fractions

In my continued quest for searching for means and methods of teaching basic mathematical concepts to my grade 3 daughter, I have come up some a way of comparing fractions…

### New System of Rounding Off Numbers

I was surprised they’ve changed the long standing system for rounding off numbers, my Grade 3 daughter told me so. Their current textbook (’Math and Beyond‘ 2nd Revised Ed., 2008)…

### Dealing with Word Problems: Comparing Entities

It has always been a challenge for us parents when it comes to math word problems, how to let our kids grasp the concept and approach to let them understanding…