Curated OER
Estimating Loggerhead Hatchling Gender Ratios
Students study sea turtles and the concept of temperature-dependent sex determination (TSD). Using a specific set of temperature data, they determine the probable sex of a nest of sea turtle hatchlings and then determine the overall...
Curated OER
Compatible numbers to 20
Students practice theories dealing with equals sign used as a balance, inequality symbols and practice utilizing a box or some other geometric shape to represent an unknown number. They assess numeracy problems embedded in language-rick...
Curated OER
Decimal Fractions
Students use rounding and compensating with whole numbers and explain how to use the empty number line to show additions and subtractions. They round and compensate in relation to decimal subtraction
Background