5.NBT.7a ~ Adding and Subtracting Decimals
Standard - Add,subtract decimals to hundreths, using concreate models or drawings and strategies based on place value,properties of operations, and/or the relashionship between addition and subtraction;relate the strategy to a written method and explain the reasoning used.
Ms. Boutin's Famous Rule:
When you add and subtract decimals you line the them up and bring them down!!!
Watch These Videos For More Explanations
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Here Are Some Fun Games to Play!!
http://www.math-play.com/adding-decimals-game.html
http://www.math-play.com/subtracting-decimals-game/subtracting-decimals-game.html
http://www.math-play.com/subtracting-decimals-game/subtracting-decimals-game.html
Here Are Some Practice Worksheets!!
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