To avoid a spoiler I have made the text for the answer white - drag over the lines at the bottom to view.
20 - 5 × 4 ÷ 2 + 12 =
The correct sequence is:
Drag from here:
5 x 4 = 20 / 2 = 10
20 - 10 = 10 + 12 = 22
to here.
BBC quiz I stumbled across:
https://www.bbc.co.uk/bitesize/articles/z24mqhv#xtor=CS8-1000-%5BPromo_Box%5D-%5BNews_Promo%5D-%5BNews_Promo%5D-%5BPS_BITESIZE~N~z24mqhv~P_BitesizePrimaryQuiz%5D
I got 9/12 with a caveat that 1 wrong answer was correct when I was at school.
Enjoy