Mr. Bowen's Fifth Grade
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Number Puzzle

6/21/2019

0 Comments

 
Can you solve this puzzle?
Place + and - signs between digits to make 100.
123456789
0 Comments

Area Problem

6/15/2019

3 Comments

 
What is the area of the shaded region below? How do you know?
Picture
3 Comments

Proof Challenge

6/13/2019

2 Comments

 
Can you solve this challenge that is based on the Proof card game?
https://www.proofmathgame.com/math-puzzles/76

Here is their archive of past challenges:
https://www.proofmathgame.com/math-puzzles/past
Picture
2 Comments

The Guessing Game

6/12/2019

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Nine cards, each uniquely marked with a single-digit from 1 to 9, are randomly dealt to three players, each player receiving three cards. Every player sees his own cards, but is unaware of the cards in other players' hands.

Each player declares the sum of the three cards in his own hands. Based upon this information, the players try to guess the cards in their opponents' hands.

Imagine players A, B, and C play this game, and the following conversation ensues:

A: The sum of my cards is 14.
B: The sum of my cards is 15.
C. The sum of my cards, obviously, is 16.
A. I can't guess any card in B's hand.
B. I can't guess any card in C's hand.
C. I know the cards in everyone's hands.

​What are the cards in player B's hand? Explain your reasoning.
0 Comments

Polygon Puzzle

6/11/2019

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If the white triangle is worth 1, what is the value of each other polygon?
Picture
Source (and many more of these puzzles):  ​https://photos.google.com/share/AF1QipPUhHweMG3cpSQ2CRL0scB2KtIKi2D6UFLrLtVuBNpr_z-UWsqce6nzZGmkWi5UWA?key=QlZfb2Rtd05vbXRiVklUSldiUGVTSVMxd2hINXJn
0 Comments

SEND + MORE = MONEY?

6/8/2019

2 Comments

 
In this problem, each different letter stands for a different digit. Can you find the value of each letter?

      S E N D
 +  M O R E
  M O N E Y
2 Comments

    Challenge Math

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    June 2019

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    Logic
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    That's Interesting!

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