Up and down staircase
We looked at how we could make a staircase out of 1 block so it would be a step up and a step down and first we didn’t seem so confident about doing this but then we read the instructions and we kind of got the hang of it.
The next step was doing a staircase made of 4 blocks and when we read that there was only four blocks to use we didn’t get how you could do it.After that we started to think about how we could do it, until we realised that it would make 2 steps up and 2 steps down.
We had to do 5 steps up and 5 steps down, this time we knew what to do so we just started by doing 5 up and 5 down with gaps in between the blocks.After that we filled in all the gaps with blocks so it will support the blocks above.As we looked at the staircase we realised that there was twenty five blocks which is five times five.
The last step was when we had to do 7 up and 7 down.The difference is that we found out how much blocks more there was 2 steps up and 2 steps down compare to the one step up and one step down.Then we put blocks underneath so it can support the blocks above.We counted all the blocks together and it made 49.
Then we tried a 10 up and 10 down staircase we did ten across the bottom, then 9 and keep going till we got to the top,then we counted all of them together and it equals 100 blocks staircase.As we did this we started to see a patten in it,the patten was that before we started the one step up and one step down we wanted just to try four step up and four step down.As we tried that we did just a five up with no five down.We figured
out that sometimes it doesn’t work if you do 4 up and simply just double it. You sometimes have to add another row next to the staircase.
And that is how we did the up and down staircase in the end we hope you can work it out in the way that we did it to.
By Mia,Kaci-Mai and Ben.