Homework Help: Math: 4th grade

Posted by Amber on Thursday, October 2, 2008 at 7:34pm.

I have problems with expressions..

Susan had 24 stamps. She used some to mail letters..

What expression could I write for that?

Also..
Nancy had 23 books. Her dad bought some books annd gave Nancy all but 3 of them.

Math: 4th grade - bobpursley, Thursday, October 2, 2008 at 7:45pm
1) what about

24-n where n is the number mailed.
2)
23+(b-3) where b is the number of books dad bought.
- Math: 4th grade - ALISHA, Monday, January 5, 2009 at 11:28pm
  MR SPIDER HAS 7 TIMS AS MANY FLIES AS HE DOES BEETLES. ALTOGETHER HE HAS 48. HOW MANY FLIES AND HOE MANY BEETLES DOES MR SPIDER HAVE?
Math: 4th grade - Amber, Thursday, October 2, 2008 at 7:58pm
thank you so much
Math: 4th grade - Sahana, Saturday, October 11, 2008 at 12:06pm
1) 23-x
2)23(x-3)

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