KIDS COOKING WITH CALCULATIONS AND CHEMISTRY KC³ 

Bayswater Primary School

GROUP MEMBERS

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INGREDIENTS

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BUDGET

 Maximum $10.00

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METHOD

 Senior E

1.25kg rice

3L water

5 eggs

4 carrots

3 onions

250g bacon

oil

250g peas

used 1.25kg rice=

3L water= free

5 eggs= free donated

4 carrots= 

3 onions= 

250g bacon pieces=

500g peas= 

used 250g peas= 

soy sauce=

Oil= free donated 

Total= 

Boil rice and water in a large pot over medium heat for approximately 30 minutes or until most of the water is gone and rice is white and fluffy.

Fry in a saucepan with a small amount of oil, bacon, chopped onions, carrots and peas.

Scramble eggs over a low heat until brown.

Mix and heat through rice and other cooked ingredients adding enough soy sauce to taste.

Serves 25 hungry children at least 2 times.

Enjoy

COMPLETED RECIPE

KIDS COOKING WITH CALCULATIONS AND CHEMISTRY KC³ Reflection Section

COOKING WITH MATHS

What did you learn about maths and what principle did you  investigate? 

We used multiplication and estimation to work out how much rice and water we would need. We measured that one cup of rice weighed 250g so to have 1.25kg or 1250g we calculated that we would need 5 cups of rice. (we ended up using 6 as this wasn’t quite right)

We also knew that for each cup of rice you needed two cups of water. We found that 250ml or one cup of water weighed approximately 250g. So 12 cups of water would weigh 3L or 3000g.

We have found that 1 mL is about the same a 1 g when weighing and measuring water.

nsert Digital Photo 2

COOKING WITH SCIENCE

What did you learn about maths and what principle did you  investigate? 

We looked at how much water would be absorbed be the rice during the cooking process. We wanted to find out how much is absorbed and how much evaporates into the atmosphere. To do this we measured both the rice and the water before we cooked.

We measured the uncooked rice at 1.25 kg or 1250 g

We measured the water at 3 L or 3000g 

Then we measured the cooked rice at 3.38 kg or 3380g

We decided that because we had not poured any rice out of the pot some of the water must have evaporated because the rice should have weighed 4250g if no water had evaporated. Eg 3000g + 1250g = 4250g

To work out how much evaporated we took the amount that the cooked rice should have weighed and subtracted that amount that it did weigh.

4250g – 3380g = 870g

Before cooking

After cooking

THINKING CURRICULUM

What did our group find out about the Thinking Curriculum especially Habits of Mind?

ONLINE TEAM WORK

What did we learn about computer technology, group work, working online with partner

As a class we were able to think flexibly about what we were trying to measure and discover and we were able to listen to each others ideas about how to achieve this. We tried to be accurate in all our measurements and calculations and we were constantly asking questions about the experiment. We were able to use our multiplication and division skills in a new way to achieve our goal and as always we had fun while making and eating our fried rice.

We did not videoconference for this activity.