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Do Now 1/13/10 Take out HW from last night. Take out HW from last night.  Text p. 222, #20-60 evens Copy HW in your planner. Copy HW in your planner.

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Presentation on theme: "Do Now 1/13/10 Take out HW from last night. Take out HW from last night.  Text p. 222, #20-60 evens Copy HW in your planner. Copy HW in your planner."— Presentation transcript:

1 Do Now 1/13/10 Take out HW from last night. Take out HW from last night.  Text p. 222, #20-60 evens Copy HW in your planner. Copy HW in your planner.  Text p. 228, #10-50 evens In your journal, plot the following rational numbers on the number line. Then order them from least to greatest. In your journal, plot the following rational numbers on the number line. Then order them from least to greatest

2 Homework Textbook p 222, #20-60 evens 20) 24/1 22) 97/18 24) 1/1 26) 3/10 28) ) ) ) ) 27/50 38) 7 3/5 40) -17/20 42) /200 44) my collection 46) always 48) always 50) 7/9 52) -9 2/3 54) -1 4/11 56) 2 707/999 58) -9/2, -2.3, -5/4, -1, 0.7, 4/3 60) -0.3, -0.3, 0.3, 0.30, 0.3

3 Objective SWBAT add and subtract like fractions.

4 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

5 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

6 Try It Out!! Solve

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

8 Find the sum or difference.

9 Simplifying Variable Expressions

10 Homework  Text p. 228, #10-50 evens


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