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Problem-Solving:

Guess the Number

 

Today's Snack: Mix a little bit of every open cereal box in your kitchen into one serving in a bowl. Close your eyes and eat. Can you guess which ones you're eating in any given mouthful? Can you taste the different flavors? Wash it all down with a big glass of milk.

 

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Supplies:

Pencil and scratch paper

 

 

This is a simple number puzzle, but you may need to use scratch paper to solve it. Try solving it in your head first, though: mental math is a great skill to develop.

 

Here it is:

 

I am a two-digit number. The sum of my digits is 11. If my digits are reversed, I will be 45 less than who I am. Who am I?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Answer: 83)

 

 

By Susan Darst Williams www.AfterSchoolTreats.com Math 2010

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