JYOTI BISHT

class 2 class 1 classroom mathematics environment evs subtraction environmental education earth ways to compare comparison cubit handspan footspan non standard measurements measurement maths mathematics practice school educacion basic concepts number system subtration through number line number line mathematic basics basics earth and surroundings shape of earth sun moon atmosphere environmental sciences presentation recapitulation sheet practice test best practices environmental studies solar system types of resources different types water resources land resources earth's resources resources environmental science