Examlex
From Piaget's perspective, why might it be wise to postpone the teaching of complex fractions until middle school or high school?
a. Younger students haven't attained conservation.
*b Younger students haven't acquired proportional reasoning.
c Younger students can't learn complex equations.
d. Younger students don't know their math facts well enough.
Complements
Products or services that are used together, where the consumption or use of one increases the demand for the other.
Substitutes
Goods or services that can be used in place of each other, satisfying the same needs or desires.
Complements
Products or services that are often used together, such that demand for one increases the demand for the other.
Complements
Products or services that are commonly consumed in conjunction with one another, where a rising demand for one results in a corresponding increase in demand for the other.
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