Torthaí cuardaigh

  1. 1

    The number concept its origin and development de réir Conant, Levi L. (Levi Leonard) 1857-1916

    Foilsithe / Cruthaithe 1896
    LEABHAR
  2. 2
  3. 3
  4. 4

    Magic house of numbers de réir Adler, Irving

    Foilsithe / Cruthaithe 1957
    LEABHAR
  5. 5
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    Number ideas through pictures de réir Charosh, Mannis

    Foilsithe / Cruthaithe 1974
    LEABHAR
  7. 7
  8. 8

    Elementary arithmetic, its meaning and practice. de réir Buckingham, Burdette Ross 1876-

    Foilsithe / Cruthaithe 1947
    LEABHAR
  9. 9

    The child's conception of number de réir Piaget, Jean 1896-

    Foilsithe / Cruthaithe 1952
    LEABHAR
  10. 10

    The child's understanding of number de réir Gelman, Rochel

    Foilsithe / Cruthaithe 1978
    LEABHAR