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Do Now 1/14/10

Do Now 1/14/10. Take out HW from night. Text p. 228, #10-50 evens Copy HW in your planner. Text p. 234, #12-50 evens Quiz sections 5.1 - 5.3 Wednesday In your notebook, rewrite the variable expressions with a common denominator. 10) 1 2/5 12) -1 1/9 14) 1/3 16) -5/11 18) -1 1/2

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Do Now 1/14/10

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  1. Do Now 1/14/10 • Take out HW from night. • Text p. 228, #10-50 evens • Copy HW in your planner. • Text p. 234, #12-50 evens • Quiz sections 5.1 - 5.3 Wednesday • In your notebook, rewrite the variable expressions with a common denominator.

  2. 10) 1 2/5 12) -1 1/9 14) 1/3 16) -5/11 18) -1 1/2 20) 14 1/5 22) 5 3/11 24) -5 1/4 26) -1/7 28) 4 1/3 cups 30) t 32) 4/s 34) -4m/21 36) -9/d 38) 1 5/9 40) -1 42) -2 3/31 44) 2 ft, 8 1/2 in 46) 2/7 48) 1/6 50) 3/4 HomeworkTextbook p 228, #10-50 evens

  3. Objective • SWBAT add and subtract unlike fractions.

  4. Section 5.2 “Adding and Subtracting Like Fractions” Add the numerators

  5. Section 5.2 “Adding and Subtracting Like Fractions” Subtract the numerators

  6. Section 5.3 “Adding and Subtracting Unlike Fractions” What is the common denominator? 5: 5, 10, 15, 20, 25, 30, 35, 40 7: 7, 14, 21, 28, 35, 42

  7. Try It Out!!Solve

  8. “Adding and Subtracting Mixed Numbers”

  9. Try It Out • Improper fractions • Write fractions using LCD. 3. Simplify

  10. Try It Out!! • Improper fractions • Write fractions using LCD. 3. Simplify

  11. Remember this? Rewrite the variable expressions with a common denominator. Find the LCD for 5b and 4ab². LCD = 20ab² Rewrite equivalent fractions using the LCD.

  12. Simplify the Expression. Find the LCD for 2 and 6. LCD = 6 Rewrite equivalent fractions using the LCD.

  13. Simplify the Expression. Find the LCD for 11 and 8. LCD = 88 Rewrite equivalent fractions using the LCD.

  14. Homework • Text p. 234, #12-50 evens

  15. HomeworkPunchline worksheets #72 & #73 “Why Does the President Put Vegetables in His Blender?” HE IS HOPING FOR WHIRLED PEAS “How Could Goldilocks and The Big Bad Wolf Be in the Same House?” IT WAS A TWO STORY HOUSE

  16. 2) -86 / 1 4) -109 / 12 6) -555 / 1 8) 67 / 14 10) -0.27 12) 8.15 14) -7.25 16) -2.225 18) 1.5 20) -10.194 22) 1/25 24) 14 1/200 26) 16/99 28) 3 23/30 2) -4/5 4) 1 3/43 6) 1/25 8) -21/40 10) -1 1/7 12) -11 5/9 14) 4 3/5 16) -5 5/8 18) 5x / 7 20) –x 22) 1 / 12x 24) 3 / x Homework Practice worksheet 5.1 B evens Practice worksheet 5.2 B evens Practice worksheet 5.3 B evens • 2) 26 / 63 • 4) -17 / 36 • 6) -1 23/60 • 8) 19 / 35 • 10) 1 2/15 • 12) -8/15 • 14) 1 19/45 • 16) 23/40 • 18) -2 31/50 • 20) -10/33 • 22) -5 41/48 • 24) 2 23/48 • 26) 43x / 24 • 28) -36x / 35 • 30) 11/35

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