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SUBTRACTING REAL NUMBERS

SUBTRACTING REAL NUMBERS. Section 2.3. Simplify each expression. . 30. 30. The example above shows us that subtraction can be thought of as “ _____________________________________”. adding the opposite. For all real numbers a and b :. ___________________. Example 1:

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SUBTRACTING REAL NUMBERS

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  1. SUBTRACTING REAL NUMBERS Section 2.3

  2. Simplify each expression. 30 30 The example above shows us that subtraction can be thought of as “_____________________________________”. adding the opposite For all real numbers a and b: ___________________

  3. Example 1: Write the following subtraction problems as addition problems do not evaluate.

  4. Algebra tiles can be used to subtract integers. Remember integers are Example 2: Use algebra tiles to represent 1. rewrite as an addition problem: ____________ 2. use algebra tiles to represent the addition problem 3. cross out any neutral pairs.

  5. Example 3: Use the definition of subtraction to find each difference. A. B. 7 D. C.

  6. Try these… A. B. D. C.

  7. distance To find the ____________ between two numbers on a number line, first ______________ the values, and then find the __________________ of the difference. subtract absolute value Example 4: Find the distance between -4 and 2. Subtract in either order still come up with the same answer!

  8. Find the distance between the following pairs of numbers. A. -5 and 3 B. -4 and -10 C. 17 and -5 A. B. C.

  9. Try these… D. -2 and 13 E. 3 and -6 F.

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