Maybe you don’t like math, but what about sports? These prefixes can be found in lots of other words. Many of the words that use these prefixes are related to math, but not all of them. I’d then move on to drawing more shapes and coaching the students to name them. I explained that squares, rectangles, and parallelograms are quadrilaterals. Quadrilateral = Quadri (4) + lateral (side) I’d then write “quadrilateral” on the board. When I asked what it was called, and of course they’d respond, “Square.” I asked them if they knew another word for it. Triangle = tri (3) + angle (corner, angle) Of course, they’d answer, “Triangle!” But then we’d look at the word more closely. I’d draw this shape on the board and ask them what it was. Again words maybe they’d never really thought about before. I’d then move on to other common words they’d likely encountered using number prefixes. I’d ask them, “How many wheels does a unicycle have?” They’d excitedly answer, “One!” and then there’d be lots of “oohs” and “ahhs.” Riding a bicycle is pretty common, but a unicycle-much less so. Tricycle = tri (3) + cycle (circle, wheel)įinally, I’d tell them that I could ride a unicycle (a word most of them had never heard). I’d then ask them, “What do you call a similar vehicle with three wheels that young children ride?” There would usually be a few students to answer, “Tricycle.” ![]() But I wondered if they’d ever fully understood the meaning of the word. When doing this lesson with my students, I’d ask them, “What do you call a vehicle that you ride that has two wheels?” They would respond, “Bicycle.” A very common word in English that they were all familiar with. Modes of transportation with one, two, and three wheels ![]() Let’s look at some examples of how these prefixes combine with other root words to create new ones. You may know several of them, but some might be new to you. I’m guessing at least a few of those look familiar. Though the Latin prefixes may be more common, the Greek ones are worth knowing. This is evident when it comes to number prefixes. As such, there are remnants of both languages in the English we use today. Both Greek and Latin have influenced English. There are different types of number prefixes in EnglishĪs with most things related to English-things are a little complicated. ![]() It can also help you figure out new words-without resorting to looking them up in the dictionary. Knowing these prefixes can help you understand more without memorizing new words. But learning how to read it can teach you about English number prefixes. ![]() That’s a big number! And typically, you would never need to read it. But once you learn how to tackle them, they’re quite easy-even easier than large Korean numbers. I noticed that my Korean students struggled with large numbers in English.
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