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Turn In Problems
Mad Science Fractions

The greatest reward for a student is not a good grade. It is the willingness of his teacher to listen to him.

- Nikolay Konstantinov

homework turn in box You attempted the ten exercises for this topic. Those problems did not have an answer key. Use this form to ask me how well you did.

Before using this page, you should have your homework completed on paper. (Try being nice to your eyes and posture by printing the problems so you can work with pencil and paper instead of a screen.) This page is only for submitting your homework. To be short and concise it lacks any diagrams, pictures, or tables needed to work the problems.

Answer every question. Then use the button at the bottom of the page to create a code by processing your answers. Copy-and-paste the code into an e-mail.

Keep trying until you get 8 out of 10 or more.

1. A cookie recipe calls for 2⁄3 cup of flour. If you are making a double batch, how much flour will you use?

2⁄6 cup 1 1⁄3 cup 2 cups

2. What is four-fifths times twenty?

4⁄100 16 25

3. What is four-fifths times two-thirds?

8⁄15 3⁄4 6⁄5 120⁄15

4. What is two-thirds divided by three-halves?

4⁄9 1 6 undefined

5. 22⁄15 ÷ 33⁄5 =

2⁄9 2,178⁄15 242⁄25 726⁄75

6. What is the least common multiple of 12 and 18?

12 18 24 36 72

7. What is five-sixths plus three-fourths?

8⁄10 8⁄12 10⁄9 19⁄12

8. What is five-sixths minus three-fourths?

1⁄12 1⁄3 1⁄2 1

9. A piece of fabric that is 1 3⁄4 yards long is cut into seven equal pieces. How long is each piece?

4⁄49 yard 1⁄4 yard 35⁄4 yard

49⁄4 yard 1 3⁄28 yard 14⁄5 yard

10. Grandma Jorgensen left 2⁄3 of her 7⁄8 pound silver bullion bar to her son Lloyd. Lloyd gave each of his four children a 1⁄4 share. How much silver did each of Lloyd's children receive?

7⁄3 pound 1⁄4 pound 7⁄12 pound

7⁄48 pound 5⁄96 pound 37⁄96 pound