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# 7 19-11

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### 7 19-11

1. 1. Tuesday July 19, 2011Hubbs Center - Math 2Agenda and Objectives
2. 2. Today’s Objectives... We will complete a real world math problem to show what we know about fractions. We will get into small groups to discuss the HW from yesterday (Monday) - adding and subtracting fractions. We will work through difficult problems from the HW together to gain a better understanding of them. We will take notes on how to add and subtract fractions. We will practice word problems that require the addition and subtraction of fractions.
3. 3. Real World Math Problem Crystal is 65 1/2 inches tall. Her mother is 3 3/4 inches taller. How tall is Crystal’s mother?
4. 4. SmallGroup -HWDiscussion
5. 5. Fractions Notes Rules for Adding Fractions: 1. Make sure the denominators are the same 2. Add the numerators. Put the answer over the same denominator. 3. Simplify (reduce) the fraction, if possible.– Example:
6. 6. Fractions Notes Rules for Subtracting Fractions: 1.Change mixed numbers to improper fractions. 2.Make sure the denominators are the same. 3. Subtract the numerators. Put the answer over the same denominator. 4. Simplify (reduce) the fraction, if possible. Example:
7. 7. Fractions Notes How to change an improper fraction into a mixed number: How to change a mixed number into an improper fraction:
8. 8. Fractions Notes How to find a common denominator so you can add or subtract:
9. 9. Addition and Subtraction Word Problems HW Sample Problems: