1. The same change can be made to each of the following words to give new words.

PER

HERD

CLEVER

BEST

2. Think of a common word that means a measure of time. Drop a letter and it means "belonging to us." Add a letter to this word and it means "belonging to you."

3. Change one letter in the word BALLET to get a new word, keeping the letters in the same order. (Two solutions)

HINTS:

1. The change involves adding the same letter to each word.

2. The dropped and added letters both come at the beginning of the words.

Answers:

1. Add an A after the first E in each word:

PEAR/HEARD/CLEAVER/BEAST

2. HOUR/OUR/YOUR

3. WALLET or MALLET