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Instructions

Coded Symbol Grid

Can you work out the value of each symbol in the grid?

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New Grid (3 Symbols)
New Grid (4 Symbols)

Click one of the buttons above to generate a puzzle.

Solution

Click on the empty boxes to reveal the value of each symbol.

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How to Use This Resource

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* Click on <New Grid> to generate a puzzle.
* Each symbol represents a single digit number.

* The sum of the symbols in each row and column have been provided.
* Can you work out the value of each symbol?
* Click on the empty boxes in the Solution Grid to reveal the answers.
* Click on the light bulb symbol for additional hints and tips.

Start

HINTS AND TIPS

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1. Look for two rows or columns which differ by one symbol only. What difference does this make to the sum? This will show you the difference between two symbols. In the example shown, we can deduce from the totals of rows one and two that         is worth three more than            .

                             

2. Find all possibilities. In row 3 (below), what values could the two symbols represent?

Which of these possibilities work with the rest of the grid? For example, if X = 1,       must equal 9. Other possibilities include 2 and 7, 3 and 5, or 4 and 3. 

 

3. Look out for rows and columns which have the same symbol throughout. In the example shown, the middle column comprises only X's. Three of these equals 12. Therefore, X = 4.

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