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Properties of Real Numbers. Section R-1 Chapter R: Review. Translating Words. Quick Examples. Write an algebraic expression to represent each situation. A. the number of apples in a basket of 12 after n more are added
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Properties of Real Numbers Section R-1 Chapter R: Review R-1: Properties of Real Numbers
Translating Words R-1: Properties of Real Numbers
Quick Examples Write an algebraic expression to represent each situation. • A. the number of apples in a basket of 12 after n more are added • B. the number of days it will take to walk 100 miles if you walk M miles per day 12 + n Add n to 12. Divide 100 by M. R-1: Properties of Real Numbers
Quick Examples Write an algebraic expression to represent each situation. • C. the difference of a number less 2 equals 7. n – 2 = 7 • D. Write out: 21 ÷ 7 = 3 The quotient of 21 and 7 is 3. R-1: Properties of Real Numbers
Order of Operations To evaluate operations, one way to remember the order of operations is by using the mnemonic PEMDAS. REMEMBER: Multiplication and Addition doesn’t always go first before Division and Subtraction R-1: Properties of Real Numbers
Example 1 exponents – apply the exponent now complete addition and subtraction, left to right parenthesis – combine these first complete multiplication and division, left to right PEMDAS PEMDAS PEMDAS PEMDAS PEMDAS R-1: Properties of Real Numbers
Example 2 exponents – apply the exponent now complete multiplication and division, left to right parenthesis – combine these first complete addition and subtraction, left to right PEMDAS PEMDAS PEMDAS PEMDAS PEMDAS R-1: Properties of Real Numbers
Example 3 2 + [4 + 2 · 16] 2 + [4 + 32] 2 + 36 PEMDAS PEMDAS PEMDAS PEMDAS R-1: Properties of Real Numbers
Your Turn R-1: Properties of Real Numbers
Example 4 R-1: Properties of Real Numbers
Example 5 1 1 2 3 R-1: Properties of Real Numbers
Your Turn R-1: Properties of Real Numbers
Warm_Up #2 1. Solve 2. Write the equation of “The product of 5 and x is the product of 2 and 10.” 1/4/2020 5:42 AM 1-2 : Properties of Real Numbers R-1: Properties of Real Numbers 13
Add/Subtract fractions • List the factors of the bottom number to find the “Least Common Denominator” • Multiply the LCD to the top number • Evaluate by add or subtracting across BUTkeeping the bottom number R-1: Properties of Real Numbers
Example 6 3 8 What are the MULTIPLES of the denominator: 6 6 What is the SMALLEST SAME MULTIPLE R-1: Properties of Real Numbers
Example 7 R-1: Properties of Real Numbers
Your Turn R-1: Properties of Real Numbers
Assignment Pg 16 27-65 odd, OMIT 43 R-1: Properties of Real Numbers