Reflection: Real World Applications Understanding Integers - Section 5: Credit/Debit Game


I had the students playing the Credit/Debit game as it supported the common core number sense strand 6.NS.C.5 Understand that positive and negative numbers are used together to describe quantities having opposite directions or values (e.g., temperature above/below zero, elevation above/below sea level, credits/debits, positive/negative electric charge); use positive and negative numbers to represent quantities in real-world contexts, explaining the meaning of 0 in each situation.

I felt this gave the students a real world application to money and how business people talk about finances.  We had a discussion about what it means to be in the red (negative dollar amount) and being in the black (positive dollar amount)   I told them the reason that Black Friday is called that is because this is a for sure day for the retailers to have a positive money flow.  

Setting up the game:

I allowed the students to use all cards so I assigned a value to the face cards and the ace.

Ace =  1 

Jack -11

Queen - 12

King  - 13

At first they got confused about how it was suppose to work, so I showed them an example on the board.  Additionally, I drew a number line on the board so they could follow along with their positive and negative values.  


The students were highly engaged and they were very excited to watch their credits and debits and how they affected their accounts. 

  Playing the game
  Real World Applications: Playing the game
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Understanding Integers

Unit 5: Number Sense (2)
Lesson 1 of 10

Objective: SWBAT represent negative numbers in writing and express their relationship to zero.

Big Idea: What is the lowest elevation in United States? How would you represent it as an integer?

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