Interactive Adding

Dream Box - Matching Number Pairs for Twenty.  Students practice computation strategies and identify number patterns and relationships to make twenty in a variety of ways. Lesson

Dream Box - Matching Number Pairs for Fifty.  Students practice computation strategies and identify number patterns and relationships to make fifty in a variety of ways.  Lesson

Dream Box - Matching Number Pairs for One Hundred.  Students practice computation strategies and identify number patterns and relationships to make one hundred in a variety of ways.  Lesson

CCSS.MATH.CONTENT.2.NBT.B.5
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.