Do Now 1/14/10 Take out HW from night. Copy HW in your planner. 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.

Homework Textbook p 228, #10-50 evens 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 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

Objective SWBAT add and subtract unlike fractions.

Section 5.2 “Adding and Subtracting Like Fractions” Adding Fractions with Common Denominators To ADD fractions with common denominators, add their numerators together. Add the numerators

Section 5.2 “Adding and Subtracting Like Fractions” Subtracting Fractions with Common Denominators To SUBTRACT fractions with common denominators, subtract their numerators. Subtract the numerators

Fractions with Different Denominators Section 5.3 “Adding and Subtracting Unlike Fractions” Fractions with Different Denominators To ADD or SUBTRACT fractions with different denominators follow these steps: 1. Rewrite the fractions using a common denominator. 2. Add or subtract the numerators. What is the common denominator? 5: 5, 10, 15, 20, 25, 30, 35, 40 7: 7, 14, 21, 28, 35, 42

Try It Out!! Solve

“Adding and Subtracting Mixed Numbers” Mixed Numbers with Different Denominators To ADD & SUBTRACT mixed numbers do the following: 1. Write the fractions as improper fractions 2. Write fractions using the LCD. 3. Add or subtract the numerators 4. Simplify if necessary

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

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

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

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

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

Homework Text p. 234, #12-50 evens

Homework Punchline 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

Homework 2) 26 / 63 2) -4/5 2) -86 / 1 4) -17 / 36 4) 1 3/43 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 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 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