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?

1 Answer
CountryGirl
Mar 17, 2018

#31.5# inches remain

Explanation:

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 #54#:
#54.0 - 22.5 = 31.5#

#31.5# are how many inches remain.

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!

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