Number lines /
Mold, Josephine.
Number lines / Josephine Mold. - Cambridge : Cambridge University Press, 1973. - 32 p. : ill. ; 22 cm. - Topics from mathematics .
0521200237
Number line -- Juvenile literature.
Number concept -- Juvenile literature.
513 MOL
Number lines / Josephine Mold. - Cambridge : Cambridge University Press, 1973. - 32 p. : ill. ; 22 cm. - Topics from mathematics .
0521200237
Number line -- Juvenile literature.
Number concept -- Juvenile literature.
513 MOL