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Mom Confessions Mom Confessions

Will someone please tell me how you got the answer?! Math help

Anonymous
Posted by Anonymous
  • 44 Replies
2+5[10-(8-4)] hubby said its 32 but I can't figure out how, I kept getting 42! Ugh!
Posted by Anonymous on Sep. 26, 2013 at 12:50 PM
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Replies (1-10):
justpeachy71904
by peachy on Sep. 26, 2013 at 12:52 PM
3 moms liked this
8-4=4

10-4= 6

5•6=30

30+2=32
Anonymous
by Anonymous on Sep. 26, 2013 at 12:52 PM

8-4 = 4
10-4 = 6
2+5 = 7

6*7 =42 

HeartOnFire2013
by on Sep. 26, 2013 at 12:53 PM

2+5[10-(8-4)]

2+5[10-(4)]

2+5[6]

2+30

32

Order of operations.

briansmommy2010
by Ruby Member on Sep. 26, 2013 at 12:53 PM
Yup. PEMDAS.

Quoting justpeachy71904:

8-4=4



10-4= 6



5•6=30



30+2=32
Anonymous
by Anonymous - Original Poster on Sep. 26, 2013 at 12:54 PM
I figure it out after I posted. Ugh! Got it wrong on a test. Blah. Lol

Quoting justpeachy71904:

8-4=4



10-4= 6



5•6=30



30+2=32
Hannahluvsdogs
by Ruby Member on Sep. 26, 2013 at 12:54 PM

Parenthesis come first, so you start with the innermost, 8-4. Then work your way out.

Anonymous
by Anonymous - Original Poster on Sep. 26, 2013 at 12:55 PM
We were wrong lol

Quoting Anonymous:

8-4 = 4
10-4 = 6
2+5 = 7

6*7 =42 

highlandmum
by Spunky on Sep. 26, 2013 at 12:55 PM

 This is how I would do it as well.

Quoting justpeachy71904:

8-4=4

10-4= 6

5•6=30

30+2=32

 

SWasson
by Silver Member on Sep. 26, 2013 at 12:55 PM

Work your way out from the innermost part:

8-4=4

10-4=6

Then, multiplication is done before addition, so 5(6) =30

2+ 30=32.

mom2many747
by Momma Duck on Sep. 26, 2013 at 12:55 PM

This one.

Quoting justpeachy71904:

8-4=4

10-4= 6

5•6=30

30+2=32


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