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The ideas in this fraction lesson are taken from the Math Mammoth Fractions 2 book. Only a few examples of each problem type are shown; you should make more problems of each kind for the student. Multiplication and Area
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We can apply that idea to fractions, too.
Remember: The two fractions to multiply represent the length of the sides, and the answer fraction represents area. |
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1. Write the multiplication sentence that matches each picture.
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b. | [available in the book] | ||||||
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2. Write the multiplication sentence that matches each picture.
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b. | |||||||
| c. | [available in the book] | |||||||||
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e. |
f. |
[available in the book] |
3. Multiply the fractions, and shade a picture to illustrate the multiplication. Simplify your answers.
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Remember? If the side lengths are
measured in centimeters, the area is measured in square centimeters (cm2). Whatever unit of length is used for the sides, the squared units are used for the area. |
4. a. Draw a 1-in by 1-in square. What is its area?
b. Draw a rectangle with sides 3/4 in
and 5/8 in.
so that its two
sides touch the sides of the
1-in by 1-in
square you drew.
See the illustration below (not to
scale).

c. Find the area of your rectangle.
5. a. [available in the book]
6. a. [available in the book]
7. a. [available in the book]
b. [available in the book]
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Continue to the next lesson: Simplifying before multiplying
The ideas in this fraction lesson are taken from the Math Mammoth Fractions 2 book. Only a few examples of each problem type are shown; you should make more problems of each kind for the student.
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