maths jigsaw

the shapes fit together to make a square (on the 5 by 5 dotty grid)

I'm fairly confident that you just need to rotate some of the shapes (mentally or otherwise) to fit them together i.e. you do not need to reflect/flip them

a related task:
fill up a 7 by 7 grid with the shapes indicated
the whole area should be covered

students could be asked to find alternatives

some of the questions have a few possibilities
e.g. for question 5 (there may well be more...) :