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Twin Numbers to 10 or 20

Twin Numbers to 10 or 20

Purpose of the tool

Complete the number twin by choosing the correct missing number.

Grade: K,1,2

Explanation of the tool

An incomplete number twin is presented on the interactive whiteboard. Press the correct number that replaces the question mark.

Press "Settings" to choose to practice "to 10" or "to 20" number twins.

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