Problem of the Week

For those who would like another challenge in math, this page is for you.  
You are more than welcome to bring your thinking page to school and show 
your teacher how you solved the problem.  Remember to SHOW YOUR THINKING on 
your paper.

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1.  Ethan has 57 marbles in his marble collection.  Samantha gives Ethan 12 
new marbles for his birthday.  How many marbles does Ethan now have in his 
collection?

2.  Amerdeep gave his teacher 12 oatmeal raisin cookies.  She ate 2 of them 
at recess.  How many oatmeal cookies are left?

3.  Alexis sees a new sticker book that she would like at the store.  She has 
25 cents and the sticker book costs 75 cents.  How much money does Alexis 
need to save before she can buy the sticker book?

4.  Nicole brings in 7 cans of food for the food drive.  Andrew brings in 
some cans too.  Together they bring in 14 cans of food.  How many cans of 
food did Andrew bring in?

5.  Sahiti and Nandhana have a total of 18 bracelets.  If Sahiti has 9 
bracelets, how many does Nandhana have?