Math 121 sec 8.1 Integer Subtraction

Math 121 sec 8.1 Integer Subtraction - Think of a plan to...

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MTH 121 Section 8.1: Integer Subtraction Instructions: Work in groups of 2-4 students. 1. These models show “take-away” subtraction. -5 – (-3) = -2 6 – 2 = 4 2. Use chips to find these differences. a. 5 – 3 = b. -6 – (-1) = c. -4 – (-2) = 3. The take away model can be used to find 5 – 8.
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Unformatted text preview: Think of a plan to get enough black chips to be able to take 8 of them away. (Hint: Find another representation of 5.) 4. Show 5 – 8 as adding the opposite. 5 + (-8) R R R R R B B B B B B...
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This note was uploaded on 10/11/2011 for the course MTH 121 taught by Professor Staff during the Spring '11 term at Moraine Valley Community College.

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