Practice!

Sample Problem

Choose the right unit in inches, feet.

1) The thickness of a book.

1 inch

1 foot

2) The height of a coffee cup.

4 inches

4 feet

3) The height of a table.

3 inches

3 feet

4) The length of a chocolate bar.

4 inches

4 feet

Solution

1) 1 foot for the thickness of a book is too big. So the best answer is 1 inch.

2) 4 feet for a coffee cup is too tall. So the best answer is 4 inches.

3) 3 inches for a table is too short. So the best answer is 3 feet.

4) 4 feet for a chocolate bar is too long. So the best answer is 4 inches.