Build Vocabulary Online

Sample lesson - Grade 2: vocabulary.  Play a matching game with Nova and Simon and learn about homophones.

Sample Lesson: Click to Play

Grade 2: vocabulary.  Play a matching game with Nova and Simon and learn about homophones.

Sample lesson - Grade 2: vocabulary.  Play a matching game with Nova and Simon and learn about homophones.

Grade 2 Vocabulary

Play a matching game with Nova and Simon and learn about homophones.

K5 will boost your child’s elementary school vocabulary

Vocabulary development is a fundamental part of improving reading skills.

Research based online vocabulary lessons

We have over 250 online vocabulary activities teaching over 500 elementary school vocabulary words.

Start building vocabulary early

The larger a child's vocabulary becomes, the faster it grows. That’s because it’s easier to connect a new word with words you already know.

Expose your kids to words

The rate at which elementary school kids learn vocabulary varies immensely, with some kids averaging 2 words a day and some 8 words a day. The biggest reason? Differences in day to day exposure to a rich world of words.

Big vocabularies lead to big success

A large vocabulary gives children access to a wider range of reading materials and improves students' ability to communicate through speaking, listening and writing. The size of a person’s vocabulary is strongly correlated to his success in school and beyond.

Our online vocabulary lessons help studentsAccording to one study, in 1950 the average vocabulary of a child entering first grade was 4,000 words.  By 1990, this figure had dropped to 1,000 words.  Why?  Too many hours in front of the TV instead of reading and interacting with adults.

  • learn common vocabulary words
  • associate spoken words with a variety of visual representations
  • develop listening skills
  • associate pictures with text labels
  • develop visual discrimination skills
  • actively construct meaning while reading

250+ online vocabulary activities

  • context sentences
  • multiple meaning words and sentences
  • crossword puzzles
  • match words with a graphic
  • match a word to a synonym or antonym
  • interactive dictionaries
  • puzzles
  • story-centered fill-in-the-blanks

Beyond the basics: K5 Spelling

K5 Learning also includes K5 Spelling, an adaptive spelling and vocabulary tutor which teaches one word at a time, from its 100,000 word database.   Your child can use K5 Spelling to build his vocabulary online far beyond the normal elementary school curriculum.

What is K5?

K5 Learning is an online reading and math program for kids in kindergarten to grade 5. Kids work at their own level and their own pace through a personalized program of reading and math lessons; each lesson is accompanied by customized printable worksheets for further study.

Designed principally for after school study and summer study, K5 is also used by homeschoolers, special needs and gifted kids. K5 helps your children build good study habits and excel in school. 

Free trial

K5 Learning offers a 14-day free trial of its complete program. The free trial includes optional free reading and math assessments.

Start 14 Day Free Trial