How many cups will there be?
What information would be useful to figure this out?
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:
- 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