Equilateral Triangle Construction. Pan Balance – Numbers. Ask Dr. Math FAQ: Learning Multiplication Facts. Some people seem to have real difficulty learning their multiplication facts.
Parents, teachers, and students have written to Dr. Math asking for help with learning their multiplication tables (see some of the best answers from our archives). For an enjoyable twist, see also Russian Peasant Multiplication. There are many ways to help us remember such things, but what works best will be different for different people. NLVM 3 - 5 Manipulatives.
E-Lab, Multiplication Arrays.