# Act 1:

*How many cups will there be?*

# Act 2:

*What information would be useful to figure this out?*

# Act 3:

# Sequel:

*What would happen if the first cup had a 10 cm diameter?*

*What would happen if the final cup had a 2 cm diameter?*

# Official Lesson Page:

# Standards:

**Common Core**- 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.

**TEKS (2015-2016)**- 4.4(A) – add and subtract whole numbers and decimals to the hundredths place using the standard algorithm