For Bible, we’re not really limiting it to one day but rather doing things like praying, reading together, singing, memorising Scripture, learning catechism, etc. over the course of our weeks. We have started memorising our way through these Foundation Verses from Desiring God ministries. I don’t have much of a system, just saying the verses lots and using our sign language where we can.
(Great little moment, we started with Genesis 1:1, and I was teaching it to Scout Kid while we played mini-sticks with Scout Kid in full goalie regalia. We’d said it through a few times and I was leaving spaces for him to fill in he blanks and we got: “Okay, Scout Kid. ‘In the beginning God created…?'” “Hockey!” Er, no, that was the eighth day of creation I think…)