Juanna had a board that was 54 inches long. She cut off 22.5 inches for a project. How many inches of the board remain?
The board is 54 inches long, and she removes 22.5 inches. So we are going to subtract .
I'm going to add a decimal to
A good thing to remember is that words like:
#"cut off"# #"take away"# #"remove"#
All mean subtract , so you know that you'll be setting up a problem with subtraction . Hope this helps!