Directions: Using the digits 0-9 at most one time each, fill in the boxes below to make a true statement.



How can we pair up the numbers so that all the pairs are equivalent?


Each pair should add up to 9, for example 4 + 5 = 1 + 8…and so on

Source: Graham Fletcher

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Adding Single Digits

Directions: Using the digits 0 to 9 at most one time each, place a digit …


  1. This is an example of running equal signs. There can only be one equal sign in an equation.

    • Running equal signs is an issue when one completes one equation and then creates a new equation next to it, eg. 3+5 = 8 + 2 = 10, but when all of the expressions are equivalent, it is mathematically correct.

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