Exploring Common Prefixes in Vocabulary

The video tutorial introduces the concept of prefixes, which are letters added to the beginning of words to change their meanings. It focuses on four common prefixes: 'dis', 'in', 're', and 'un', explaining their meanings and providing examples. The tutorial also includes an activity where viewers match prefixes with base words to form new words, reinforcing the learning of these prefixes.

What does the prefix 'un-' generally signify in words like 'unhappy'?

• Before

• Opposite of

• Again

• Not

Which prefix would you use to indicate the opposite of 'agree'?

• un-

• dis-

• re-

• in-

If a word starts with 'in-', what is the likely new meaning?

• Not

• With

• Again

• Opposite of

What is the meaning of 'invisible'?

• Not able to be seen

• Seen again

• Seen once

• Able to be seen

What does 'reheat' imply about the action performed?

• Not heated

• Heated again

• Heated too much

• Barely heated

Which prefix would transform 'safe' to mean 'not safe'?

• dis-

• un-

• re-

• in-

What prefix should be added to 'tie' to mean 'not tied'?

• re-

• un-

• in-

• dis-

What new word is formed by adding a prefix to 'lock' to mean 'not locked'?

• Relock

• Indislock

• Unlock

• Dislock

What does the prefix 'dis-' add to 'respect' to change its meaning?

• Respected before

• Make it again

• Respected well

• Not respected

If you need to do something again, which prefix would you add to 'write'?

• re-

• un-

• in-

• dis-