Mr King who teaches technology in Secondary is going to help us. He has a laser cutter that will cut our cartons. Here it is, cutting a cube:
So, we did a little work to get us used to cuboids. What lengths would a cuboid of 24 cm3 be?
We came up with a number of answers:
We had a go at creating a net for one of these:
And we created some other nets for cuboids.
Now, it was time to think about our litre of juice. 1 litre is 1000 milliltres. Or you can say 1000 cm3 . We needed to multiply three numbers together to make a bit more than 1000
We used the calculator to try and find three numbers that would do that:
And chose the ones that we wanted for our carton.#2 laser cutting our cuboiids