May one bake all matzos before Pesach, or must they be baked during Pesach itself?

If one urgently needs to pass gas during prayer and cannot hold back, must one walk backward four cubits before doing so?

Bodily Needs During Prayer

When one bows during Zokhreinu or Mi Kamokha on Rosh Hashanah/Yom Kippur (insertions in the first and second blessings of the Amidah), must one straighten up before the blessing's conclusion?

Mashiv HaRuach — Wind and Rain

After saying the blessing with rain mention 90 times (corresponding to 30 days × 3 prayers/day) on the first day of Pesach, what presumption applies if one later doubts whether rain was mentioned?

Rain Request (V'Ten Tal U'Matar)

On a day when one must say 'Aneinu' (Answer Us - during a fast), should the rain request come before or after 'Aneinu'?

Shabbat Shemoneh Esrei

If a chazan erred during his silent Amidah (before the aloud repetition), must he repeat it?

Tachanun — Omission and Variations

Is one required to stand during the blessings before and after Torah reading?

Conduct During Torah Reading