Dino Eggs | Two-Digit Addition and Adding 10 More Game

Dino Eggs - Fluently adding 10 more to two-digit numbers helps kids to build number sense. Select the correct answer to free the baby dinosaur!

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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