Recipe RatiosLearn the mathematics required to adapt recipes to serve a different number of people. 
Spicy Lemon Shrimp Soup (Serves 2)
80g Shrimp
60g mushrooms
1 stalk of lemon grass (sliced)
4 or 5 lime leaves
Bunch of Thai parsley
1 tbsp Tom Yam Chili paste (Can buy in a jar)
1½ tbsp Sugar
5 tbsp Milk
3 cups of pork stock
1 tbsp Lemon Juice
1½ tbsp Fish Sauce
2 tbsp Tamarind Juice
Bring the stock to the boil and add mushrooms, tamarind juice, fish sauce, sugar, lemon grass, the leaves, shrimp, chili paste
After about 3 minutes add the milk and turn off the heat
Add 1 tbsp lemon juice and serve straight away. There should be a unique sweet and spicy flavor. Garnish with Thai Parsley.
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Mathematicians are not the people who find Maths easy; they are the people who enjoy how mystifying, puzzling and hard it is. Are you a mathematician? Comment recorded on the 3 October 'Starter of the Day' page by S Mirza, Park High School, Colne: "Very good starters, help pupils settle very well in maths classroom." Comment recorded on the 1 May 'Starter of the Day' page by Phil Anthony, Head of Maths, Stourport High School: "What a brilliant website. We have just started to use the 'starteroftheday' in our yr9 lessons to try them out before we change from a high school to a secondary school in September. This is one of the best resources online we have found. The kids and staff love it. Well done an thank you very much for making my maths lessons more interesting and fun." 


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© Transum Mathematics :: This activity can be found online at:
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Level 1  Cow Pad Gung (Fried Rice with Shrimp) Increase quantities by integer multiplication
Level 2  Massaman Gai (Chicken and Potato Curry) Increase quantities by multiplication
Level 3  Gai Gorae (Spicy Grilled Chicken) Decrease quantities
Level 4  Gwittyo Tom Yam Gung (Spicy Lemon Shrimp Soup with Noodles) Mixed questions
Level 5  Tom Yam Gung (Spicy Lemon Shrimp Soup) Hardfer mixed questions
Level 6  Geng Jute Jang Ngok (Glass Noodle Soup With Pork) Puzzling questions
More on this topic including lesson Starters, visual aids, investigations and selfmarking exercises.
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See the National Curriculum page for links to related online activities and resources.
The recipes used in this exercise are from Hot Sak's.
This video is from Jonathan Robinson
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Answers to this exercise are available lower down this page when you are logged in to your Transum account. If you don’t yet have a Transum subscription one can be very quickly set up if you are a teacher, tutor or parent.
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