1. Tuesday July 19, 2011
Hubbs Center - Math 2
Agenda and Objectives

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. 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. Small
Group -
HW
Discussion

6. 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:

7. 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:

8. Fractions Notes
 How to change an improper fraction into
a mixed number:
 How to change a mixed number into an
improper fraction:

9. Fractions Notes
 How to find a common denominator so
you can add or subtract:

10. Addition and Subtraction Word Problems
 HW Sample Problems: