Presents lessons on volume, division, scale, and number lines through environmental scenarios, such as taking students to measure geysers or protect endangered forests.
Content Note
Around the world -- Erupting geysers -- Fossil hunting -- Taking fossils home -- Gemstones in Pompeii -- Forest under threat -- Melting mountain ice -- Feeling colder -- Monsoon time -- Snowed in -- Deep-sea diving -- Global time -- Go figure! answers.