Bi-sabʿi ḥaṣayāt explicitly sets the count at seven. Maʿa kulli ḥaṣāh links takbir to every individual throw, not merely to the opening of the sequence.
For teaching purposes: throw pebble one and say takbir; repeat for pebbles two through seven. Throwing all seven together is not seven separate throws of the prescribed rite.
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Book of Hajj: Return to Mina, Stoning the Three Jamarahs, and Days of Tashriq
Bi-sabʿi ḥaṣayāt explicitly sets the count at seven. Maʿa kulli ḥaṣāh links takbir to every individual throw, not merely to the opening of the sequence.
For teaching purposes: throw pebble one and say takbir; repeat for pebbles two through seven. Throwing all seven together is not seven separate throws of the prescribed rite.