
06617853
j
2016e.00758
Chu, Tom N.
Summation formulas involving polynomials.
Math. Teach. (Reston) 109, No. 5, 393397 (2015).
2015
National Council of Teachers of Mathematics (NCTM), Reston, VA
EN
H20
I30
E50
G90
sums of powers
series
integers
identities
pictorial approach
visualization
geometric proofs
algebraic proofs
generalization
algebraic reasoning
geometric reasoning
multiple representations
Summary: Direct proofs for the sum of squares, the sum of cubes, and the sum of fourth powers use visualization to teach the identities.