K8

thumb thumb
9 min read
Multiples of 24
Twenty-four is a composite number and the first number that satisfies the form 23q where q is a prime number. It is also the third nonagonal number – a figurate number that extends the concept of triangle and square numbers to nonagons. Twenty-four is a significant number because there are 24 hours in a day, […]

Dino

thumb thumb
2 min read
Factors of 15
Introduction Some mortgages are set for 30 years, and some are set for 15 years. Let’s say that you buy a house and get a 15-year mortgage on the property. However, you prefer to pay it off faster. Every three years, you will increase your monthly payment by $200 based on the fact that you […]

Dino

thumb thumb
2 min read
Factors for 18
Introduction You just turned 18 years old, and you feel it is time to write a book about your life. Think about how you could divide your life into chapters. How many chapters will you have? You may first want to begin by thinking of the sections of your life. It could be birth, childhood, […]

Dino

thumb thumb
2 min read
Factors of 16
Introduction Have you ever poured the last drops of the orange juice into your glass from the container only to find that your friends come in demanding that you share it with them? It seems fair because no one likes someone to take the last full glass of orange juice. Your glass holds 16 ounces […]

Dino

thumb thumb
2 min read
Factors of 14
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 […]

Dino

thumb thumb
3 min read
Factors of 12
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 […]

Dino

thumb thumb
2 min read
Factors of 10
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, […]

Dino

thumb thumb
3 min read
Factors of 9
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 […]

Dino

bg

Have one of our workbook?

Get workbook explanations for free Book video explanations