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Instrucciones para el estudiante
Select 
the correct number equation to the box that makes 10.
the ducks in and out of the pond to help you find the correct ways to make 10.
Tap the check your work button to see if you are correct.
Keep trying until you get them all correct.
Tap the 
when you are done.
Notas del maestro (no visibles para los estudiantes)
1.OA.3 Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects or drawings, and record each decomposition by a drawing or equation (e.g. 5=2+3 and 5=4+1).
