Fractions. G. Donald Allen Department of Mathematics Texas A&M University. From the NCTM…. Middle school should acquire a deep understanding of fractions and be able to use them competently in problem solving. NCTM(2000). From the NAEP….
G. Donald Allen
Department of Mathematics
Texas A&M University
National Assessment of Educational Progress
Adding it Up, - National Research Council
where a and b are integers.
This is simply the division of integers by integers.
Subtracting FractionsFractions – Basic Syllabus
This principle is the single most important fact about fractions.
What’s wrong with this??
lcm = 8
Consider calculus – the accepted wisdom