How number systems shape our thinking, and what this means for learning, language and culture

Most of us have little trouble working out how many milliliters are in 2.4 liters of water (it's 2,400). But the same can't be said when we're asked how many minutes are in 2.4 hours (it's 144).
EdSource

State board adopts 64 math programs for K-8 students under new framework

California requires the State Board of Education to adopt at least five math programs in grades K-8. The board far surpassed ...