# 1st Grade Math Vocabulary: Lesson for Kids

Instructor: Rayna Cummings

Rayna has taught Elementary Education for 12 years (in both 1st, 2nd, and 3rd grades) and holds a M.Ed in Early Childhood Education from The Ohio State University

Learning and understanding math isn't just dealing with numbers. You need to learn the words to describe the process you are doing. In this lesson, you will learn different types of math vocabulary words that can help you describe and understand all about math.

## What Did You Say?

Has there ever been a time when someone was talking to you, but you didn't understand what they were saying because of the words they were using? Those words you didn't understand are called vocabulary words. Vocabulary words are a set of words within a language that is familiar and understood by a person or group of people. There are specific vocabulary words for reading and math. Can you think of any words you have heard that could be considered math vocabulary words?

## Math Vocabulary Words

### Numbers and Operations

I know if I asked you to count to 10 you would have no problem. But did you know there are vocabulary words that you can use to describe how to count to 10? Numbers and operations is understanding numbers, how numbers are shown, and the way we get to the answer to a problem.

### Measurement and Data

What if I asked you to measure how long your foot was? How would you measure it and describe it to someone else? The words you would use to describe the length of your foot are called measurement vocabulary words. Measurement and data is understanding size, length, or amount of something and recording it with numbers. For example, you could say your foot was 12 inches long to describe the length of your foot.

Measurement and data also involve knowing how to tell the time on an analog or digital clock. An analog clock has moving hands, known as the hour, minute, and second hands, and shows the hours by using the numbers 1–12 on it. A digital clock shows the time only using numbers and a colon (:) symbol.

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