A cube of jelly is approximately 2cm by 2cm. When you cut it certain ways you expose different faces and thus change the total surface area (without changing the volume). Jelly is cheap to buy. Kinaesthetic learners can cut up jelly cubes and see new surfaces appear. You can make the task cross curricular with science.
The way I use the pictures:
1. Split the kids in to groups and give them a couple of cubes of jelly each.
2. Ask them to cut a cube of jelly like Picture A or B or... or E (leave F as extension).
3. Ask them find the surface area (can be done by counting squares).
4. Put the cut jelly into a beaker and pour over boiling water. Time how long it takes to dissolve.
5. Collect class results and put them into a scatter diagram. The line of best fit should be linear.
The way I use the pictures:
1. Split the kids in to groups and give them a couple of cubes of jelly each.
2. Ask them to cut a cube of jelly like Picture A or B or... or E (leave F as extension).
3. Ask them find the surface area (can be done by counting squares).
4. Put the cut jelly into a beaker and pour over boiling water. Time how long it takes to dissolve.
5. Collect class results and put them into a scatter diagram. The line of best fit should be linear.
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Really clear. Thank you
Wow this sounds wonderful! Can't wait to try it!
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