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Warm Up. Add. #2. #1. List the steps you used to solve questions #1 & #2. #3. Warm Up. Add. #2. #1. Please check your class work from last week. Textbook: Pg. 54 #4-18 EVEN only. 4) 1/3 6) -0.9 2 1/3 10) -3.45 4.539
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Warm Up Add. #2 #1 List the steps you used to solve questions #1 & #2. #3
Warm Up Add. #2 #1
Please check your class work from last week. Textbook: Pg. 54 #4-18 EVEN only 4) 1/3 6) -0.9 2 1/3 10) -3.45 4.539 14) The sum of the numerators is incorrect. Answer should be -1/2 -3/4 18) -$5.35
EXAMPLE #1 Step 1: Convert mixed number to improper fractions. Step 2: Find LCD (Lowest Common Denominator). Step 3: Change subtraction to addition AND second number to it’s opposite. (Subtracting is the same as adding it’s opposite!) Step 4: Look at the signs. SAME SIGN ADD (keep both signs) DIFFERENT SIGN SUBTRACT (keep sign of larger number) Step 5: Simplify!
You Try It! #1 #2
EXAMPLE #2 Step 1: Change the subtraction sign to addition and second number to it’s opposite. Step 2: Look at the signs SAME SIGN ADD (Keep both signs) DIFFERENT SIGN SUBTRACT (Keep sign of largernumber)
You Try It! #1 #2
Homework: Textbook Pg. 62 #1-12 ALL; 15-19 ODD; 22 (16 Questions total) Quiz: Friday, October 10: Adding Rationals (Section 2.2) & Subtracting Rationals (Section 2.3)