Homework Help: 5th grade - MATH

Posted by Anonymous on Monday, December 14, 2009 at 3:54pm.

Can someone help me figure out the way to solve this math word problem?

Gerri bought a small bag of peanuts and ate 1/2 of the peanuts on Monday. On Tuesday, she ate 1/2 of the peanuts that were left. On Wednesday, she ate 1/2 of the peanuts that were left from Tuesday. She ate the rest of the peanuts on Thursday. What fraction of the whole bag of peanuts did she eat on Thursday?

5th grade - MATH - bobpursley, Monday, December 14, 2009 at 4:11pm
Tuesday morning she had 1/2 left.
Wednesday morning she had 1/4 left
Thursday morning she had 1/8 left
She ate those.
5th grade - MATH - Anonymous, Monday, December 14, 2009 at 4:25pm
Thank you Mr. Pursley:

Is this how you would break it down.

1/2 + 1/2 = 1 (Monday and Tuesday)
1/2 of 1 = 1/2 (Wednesday)

Now, I am lost. Can you show me the break down of this problem.
5th grade - MATH - Ms. Sue, Monday, December 14, 2009 at 4:44pm
Monday: 1/2
Tuesday: 1/2 * 1/2 = 1/4
Wednesday: 1/2 * 1/4 = 1/8

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