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3rd Grade
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Vocabulary Genius, Learn and Remember More Words Logo
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How It Works

Vocabulary Genius predicts how well you know every word in the English language.

Choose a list, and Vocabulary Genius will teach you the "best" words first, which are the most common words that it thinks you don’t know yet.

Vocabulary Genius repeats words at just the right time, before you’re likely to forget them, in order to maximize retention.

Vocabulary Genius uses innovative algorithms based on the spaced repetition learning theory. It understands that you forget with time.

Tip: As you complete lessons in Class Ace, Vocabulary Genius updates its ‘knowledge model’ of what you know. It tracks your positive and negative interactions with each word. This all helps you learn more in less time.

US English vocabulary size by age diagram

Why Improve your Vocabulary?

Improving your vocabulary helps you: get better grades, improve your reading comprehension, understand more of the world, be more credible, get into better schools, get better jobs, earn more money, and be more convincing.

Vocabulary Facts

  • The English language has over 1,000,000 total words.
  • Only 170,000 of them are currently in use.
  • Most adult native English speakers know 20,000-40,000 words.
  • In all of his published works, Shakespear used 17,677 different words. He was credited with either inventing or being the first to write as many as 1,700 of them.
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Vocabulary List background graphic

3rd Grade Vocabulary Words

These must-know vocabulary words for 3rd graders often appear on English Language Arts state tests given in the third, fourth, and fifth grades.

After you review, complete the practice. It'll help you remember these words for longer.

1.

rate

a measure, quantity, or frequency, typically one measured against another quantity or measure.

"the island has the lowest crime rate in the world"

312th most common English word
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2.

compare

estimate, measure, or note the similarity or dissimilarity between.

"individual schools compared their facilities with those of others in the area"

synonyms

contrast, set side by side, juxtapose

356th most common English word
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3.

value

the regard that something is held to deserve; the importance, worth, or usefulness of something.

"your support is of great value"

synonyms

merit, worth, usefulness

360th most common English word
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4.

process

a series of actions or steps taken in order to achieve a particular end.

"military operations could jeopardize the peace process"

synonyms

procedure, operation, action

378th most common English word
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