## Act 1

1. How many cups will there be?

2. Write down a guess.

## Act 2

3. What information would be useful to figure this out?

4. Write down some questions you have in your head right now.

## 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?

**Common Core Standards**

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**

4.4(A)

add and subtract whole numbers and decimals to the hundredths place using the standard algorithm

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