standards: K.MD.2, K.CC.6
Act 1
Look at the picture
- What questions come to your mind?
- How much shorter is Lil’ Sister than her Big Sister?
Act 2
What information do you need to solve the problem?
Big Sister
Lil’ Sister
Act 3
How much shorter was Lil’ Sister than Big Sister? Compare your answers and share your solution strategy.
Act 4 (the Sequel)
1. How tall are the girls in inches or centimeters? (cube measurement)
2. Change the unit! Can you compare the sisters’ heights using a different unit of measure? (ie: pattern blocks, paper clips, pencils, etc…)
Teacher Note: watch for iteration and students using the same pattern block.
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