Topic 7: Addition/Subtraction of Fractions
        The screenshots below illustrate each aspect of the three levels within this topic.   

• Orientation 1a—simplifying fractions

• Warm-Up 1a—simplifying fractions

• Orientation 1b—writing improper fractions in simplest form

• Warm-Up 1b—writing improper fractions as mixed numbers in simplest form

• Instructional pages—How do you simplify a fraction?
                                           How do you write an improper fraction as a mixed number in simplest form?

• Now You Try It 1a—simplify fractions using the greatest common factor

• Now You Try It 1b—simplifying improper fractions and writing them as mixed numbers in simplest form

• Quiz 1

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                     Topic 7: Addition/Subtraction of Fractions

• Orientation 2a—adding like fractions

• Warm-Up 2a—adding and subtracting like fractions

• Orientation 2b—subtracting unlike fractions

• Warm-Up 2b—adding and subtracting unlike fractions

• Instructional pages—How do you add and subtract like and unlike fractions?

• Now You Try It 2a—adding and subtracting like fractions

• Now You Try It 2b—adding and subtracting unlike fractions

• Quiz 2

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                     Topic 7: Addition/Subtraction of Fractions

• Orientation 3—writing mixed numbers as improper fractions

• Warm-Up 3—adding like mixed numbers

• Instructional pages—How do you change a mixed number to an improper fraction?
                                           How do you add/subtract mixed numbers?

• Now You Try It 3—adding and subtracting mixed numbers

• Quiz 3

• Report