# Author: Daniel James Agsaullo Molina

## 2017 MMC National Finals Grade 6 Individual Competition 60-second Questions

A cube of side 4 dm is made up of individual 1 dm cubes. How many of the 1 dm cubes have exactly two faces exposed? [Sol] The cubes that have exactly 2 faces...

## 2017 MMC National Finals Grade 6 Individual Competition 30-second Questions

Arrange the following numbers from smallest to largest: . [Sol] Converting the fractions to decimals up to 4 places, 0.5, 0.3333, 0.33, 0.25, 0.2, 0.8333, and rearranging, . Two trains leave the same city at...

## 2017 MMC National Finals Grade 6 Individual Competition 15-second Questions

Four mangoes and 3 oranges cos Php 62.00. Four mangoes and 5 oranges cos Php 88.00. How much does one orange cost? [Sol]By subtracting 5 oranges and 4 mangoes to 3 oranges and...

## 2017 MMC National Finals Solutions

All Right, before I start posting the problems and solutions, I will just inform everyone. 🙂 So these will be the succeeding posts: Grade 6 Individual Competition Oral Round * 15 second questions (10...

## Exponential Inequalities

It’s me again, Lesley Arthur Dudley. J We are already done with Linear, Quadratic, Polynomial, and Logarithmic inequalities. For those who didn’t read those articles yet, you can find them in this blog. Now...

## Logarithmic Inequalities

In the previous articles, we already learned about linear inequalities, and quadratic inequalities. But there are still more types of inequalities. I’ll just discuss to you one, the logarithmic inequalities. The others will also...

## H Operator in Combinatorics

This article was shared by 2014 MMC National Finalist Daniel James Molina. I am also fascinated with how this operator works. It is also my first time to hear that there is an H...