Subtraction Equations and Difference Charts Cards for the Demonstration Tray and movement

and movement

The thermic tablets cultivate the ability to discriminate slight differences in temperature

The child is introduced to the secondary and tertiary colours and is also given the nomenclature for them

The final book of the series that tells the Story of the Man

"We claim that the average boy or girl of twelve years who has been educated till then at one of our schools knows at least as much as the finished High School product of several years' seniority

Subtraction Equations and Difference Charts Cards for the Demonstration Tray and movementThis two compartment wooden box includes plastic chips with subtraction equations and corresponding answer chips.