Interactive Decimal Sums on the Number Line (5th Grade)

Dream Box – Decimal Sums on the Number Line.  Students use a number line to add and subtract decimals and solve for a variable in a “change unknown” situation. Lesson

decimal-operations

 

CCSS.MATH.CONTENT.5.NBT.B.7
Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.

 

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