Introduction
Congratulations on making it to this prestigious competition.
Today, you and an assistant chef will be given recipes with fractions in them to convert so that they will serve different numbers of people. Accuracy is important!
Take your time and use your math skills for a successful recipe conversion.
Who will be the next Top Chef?
Task
Tasks
You and a partner will convert three of the five recipes (Tasks 1, 2, 3, 4, and 5) to serve more or less people. You will need to appropriately convert fractions so that the recipes will make correctly for another round in the competition.
If you need help remembering how to add fractions of all kinds, visit the resource page.
Task 1:
- Look at the recipe for Jam Thumbprints
- Re-write the recipe so it makes three times as many cookies.
- Re-write the directions to the recipe changing the numbers so the recipe makes sense.
Task 2:
- New Challenge for our top chef using the Jam Thumbprint recipe.
- Re-write the recipe so it serves 12.
Task 3:
- Look at the recipe for blueberry stuffed baked french toast
- Re-write the fractions to the recipe so it serves 4.
- Now re-write the directions to the recipe with the new numbers.
Task 4:
- Look at the recipe for Fresh Tomato and Basil Pasta.
- Are you feeling the pressure of the other contestants yet?
- Re-write the recipe so it serves 15.
Task 5:
- Uh..Oh…New Challenge! Are you up to it? Do you have the fractions you need?
- Re-write the Fresh Tomato and Basil Pasta so it serves 25
Process
Resources
Fraction Review:
- Adding Fractions from Math Is Fun. Scroll down for more fraction help.
- Adding Fractions with unlike denominators
- Fraction Game: Addition
- Visual Fractions
- Subtracting Fractions from Math is Fun.
- Subtracting Fractions with unlike denominators\
- Fraction games
Evaluation
Evaluation
Rubric for grading:
| Exemplary | Accomplished | Developing | Beginning | |
| Each Task | More than 3 recipes are completed.
All necessary calculations are done correctly. Recipes are rewritten accurately. Follow up is completed. |
3 recipes are completed.
All necessary calculations are done correctly. Recipes are rewritten accurately. Follow up is completed. |
Less than 3 recipes are completed.
All necessary calculations are done and are mostly correctly. Recipes are rewritten but may contain mistakes. |
Less than 3 recipes are completed.
Calculations are done but many are incorrect. Recipes are rewritten to some extent. |
Conclusion
Conclusion
Congratulations! You made it through your first Top Chef competitions.
Give your assistant a high five!
Bonus Task:
- Find a recipe on the web that contains at least 3 fractions.
- Re-write the recipe for half as many people.
- Re-write the recipe for three times as many people as the original recipe.
- Include the URL of the recipe you find.
Follow-up:
- What did you learn about fractions from this activity?
- Did you find some easier to convert than others? Why do you think this is so?
Add your bonus task and follow up to the answer page.