Ready, set, hop!
by Stuart J. Murphy · 1996
Popularity 2
Explains equation building as two frogs count their hops to a rock, a log, and a pond.
AdditionJuvenile literatureSubtractionMathematicsMathematics, juvenile literature
by Stuart J. Murphy · 1996
Explains equation building as two frogs count their hops to a rock, a log, and a pond.