Standards
5.NBT.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. Helpful Videos Add & Subtract Decimals with Base Ten Blocks & Grids Add & Subtract Decimals with Number Lines Strategies Adding Decimals 
Questions to Consider

Subtracting Decimals