Space Race | Two-Digit Addition - Adding 10 More Game

Space Race - Building skills in two-digit addition by adding 10 more creates a solid foundation in the understanding of number sense. Select the correct answer to get your character moving at top speed to win the race through space.

Common Core Standards

CCSS.MATH.CONTENT.1.NBT.C.5
Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning used.

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