Blog - K8

Introduction A package delivery driver sees that he has 14 packages left to deliver. He wants to group them into the northern, southern, eastern, and western areas of town. Then he would drive to each area and deliver each group. In this case, do you think he could have an equal number of packages in […]

Introduction There are 12 things in a dozen. It seems many things are grouped into a dozen. The number 12 even got its own word…dozen. This shows how useful it would be to know the factors of 12. Whenever you group something that came from a dozen, then you will need to use division and […]

Introduction Can you recite your best friend’s phone number? Probably not thanks to our cell phones where we just have to press our friend’s name and our cell phone instantly dials him. However, there was a time when we had to memorize phone numbers. Today, I can barely remember my own. Including the area code, […]

Introduction A bunch of boys goes to the local basketball court in their neighborhood to play a pick-up game. Nine boys show up. There is a problem with this. Can you figure out what the problem will be? The group of 9 boys can’t be divided equally in half by 2 because 9 is an […]

Introduction You grab your pack of 8 water bottles out of the fridge. You want to hand out an equal amount of water to your family members outside who are raking leaves. Not that it matters, but if everyone has an equal number of water bottles, then there won’t be any arguing among the children. […]

Introduction Do you know what these numbers have in common? 2, 4, 6, 8, 10, 12, 14…That’s right, they are even numbers. One important thing to remember that even numbers can do that other sets of numbers can’t do is that they are equally divisible by 2. This is important to remember when trying to […]

Introduction It is family game night! You break out the latest board game for your family of 4. Everyone looks at each other. Should you play individually or in teams? If you play board games with your family or friends, this is something that happens often. Sometimes, it can be more fun to play in […]

Twenty-one is a composite number with proper divisors 1, 3, and 7. It is a triangular, octagonal, and a Fibonacci number. It is considered as a triangular number because the sum of the first 6 counting numbers 1, 2, 3, 4, 5, and 6 is equivalent to 21. In many cultures, activities, religions, and fields, […]

A pronic number is a number wherein it is produced by the product of two consecutive integers in the form,. Twenty is an example of a pronic number since it is a product of 4 and 5. Not only that, but it is also considered as a tetrahedral number like 1, 4, and 10. Twenty […]

Eighteen is a composite number having divisors of 1, 2, 3, 6, and 9. It is considered a semi-perfect number because its three divisions (3, 6, and 9) have a sum of 18. It is also considered as a lucky number in Chinese because it is pronounced as 十八 (shíbā) which is similar to 實發 […]