Minus-minus, plus-plus, or is integer subtraction actually figureoutable? In this episode Pam and Kim use a Problem String to build real understanding of integer subtraction.
Talking Points:
- The importance of having multiple contexts
- Seeing the negative symbol as "opposite of"
- Using distance
- Understanding takes time, but is so worth it!
See Episodes 181-183 for more about Integer operations.
See Ep 242 for more information on Integer Multiplication
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