### Home > MC1 > Chapter 7 > Lesson 7.1.1 > Problem 7-9

7-9.

Wendy and Peter each made up a new *“Guess My Decimal” *game just for you. Use their clues to determine the number.

Wendy gives you this clue:

*“My decimal is seven tenths greater than*Show your work.. What is my decimal?” Seven tenths can also be written as

. And can also be written as . Peter continues the game with the following clue:

*“My decimal is six hundredths less than five tenths.”*Use pictures and/or words to show your thinking.

Start with five tenths.

**A 10 by 10 block of 100 where 5 columns out of 10 columns are shaded.**Take six hundredths away.

**Changes: 6 squares, in column 5, are no longer shaded.**