Curated OER
Changing Fractions to Decimals
Upper graders change a set of 10 fractions with denominators of either 10, 100 or 1,000 to decimals. Answers and hints are available on-line; a reference web site for additional resources is given.
Curated OER
Introduction to Decimals
Young math whizzes complete the online instruction, then solve 20 problems about identifying decimals, comparing decimals and fractions and ordering decimals.