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Interactive Adding – Matching Pairs for 20, 50, & 100 (1st Grade)

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

hundreds

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.