Let it Go and Count
A Three Act Task by Jennifer Gibson
Video by Brian Hull
1.NBT.1
Act 1--Watch the Video--Click the Snowflake
What do you notice? What do you wonder?
Act 1
Act 1--What is the math question?
How many different characters does he have sing this song?
Act 1--Make an estimate.
Make a low estimate. If your estimate isn’t correct, what is the lowest you think it could be?
Make a high estimate. If your estimate isn’t correct, what is the highest you think it could be?
Act 1--What do you still need to know in order to solve the problem?
Act 2
2 3 2 2 2 2 1 4 1 2
Act 2
Take this information and solve the problem.
How many different characters does he have sing this song?
Show your work. When you are done, find a friend to share your thinking and your solutions. How close were your estimates?
Act 3--The answer
He has 21
characters sing.