There are a number of different types of exercise, each one aimed at helping users learn in a different way:
- Arrange all the words: you are presented with a shuffled sentence in your target language and you have to rearrange the words to form a grammatically correct sentence.
- Complete the translation: A sentence is presented and its translation is missing a word and you must type it.
- Mark the correct meaning: You are asked which of several sentences in one language is a valid translation of a sentence in the other language. Often the wrong alternatives are not even grammatically correct. See Dead giveaways.
- Picture flashcard matching: You are presented with several words and corresponding images in one language and asked to choose which one matches a word in the other language.
- Picture flashcard translation (labeled Which one of these is “word”?): You are presented a word in one language and are asked to translate it into the other language with the help of a few relevant pictures.
- Read and respond: There is a sentence in your target language with a highlighted word, and three alternatives (sometimes in the target language, sometimes in your base language) with its meaning.
- Select the missing word: You are presented a sentence with a blank and you are asked to choose the correct word or phrase to complete it.
- Sentence shuffle (labeled Write this in language): You are presented with the text of a sentence in one language and a shuffled sentence in the other. You have to rearrange the words to form the correct translation. There are two variations of this exercise:
- Normally there are exactly four extra words. However sometimes three or five words remain.
- Sometimes the font size is smaller and there are no extra words.
- Speak this sentence: You are presented with the text of a sentence and asked to speak it into your microphone.
- Tap the pairs: An even number of boxes, half in your base language and half in your target language are shown. You must select the pairs. You may select a box in either language and then its translation.
- Translation: You are presented with the text of a sentence in one language and are asked to translate it into the other.
- Type what you hear: You are presented with the audio of a sentence and are asked to transcribe it. A button labeled with a turtle repeats the sentence slowly.
- What do you hear?: You are presented with the audio of a word or sentence and several transcriptions as alternatives.
The following exercises are not available as of April 2019.
- Character Challenges - You are asked to translate or answer a question by a Duolingo character . This may change the answer depending on gender/context.
- Conversation Challenges - You are asked to respond to a Duolingo character.
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