12 Jan Cranmer Abacus–learn the rules to subtract by 1 – YouTube Posted at 19:38h in Videos Read More
12 Jan Cranmer Abacus–learn the rules to subtract by 2 – YouTube Posted at 19:37h in Videos Read More
04 Jan Cranmer Abacus for Math-introduction and begin adding – YouTube Posted at 16:45h in Videos Read More
28 Dec (1) Cranmer Abacus–Rules of Setting 3- great tricks to learn math fast – YouTube Posted at 16:31h in Videos Read More
26 Dec (25) Cranmer Abacus–rules of counting by 4 – YouTube Posted at 21:09h in Uncategorized Read More
26 Dec (25) Cranmer Abacus- Rule of 5 and addiing #1-5 double and triple digits – YouTube Posted at 20:57h in Uncategorized Read More
26 Dec (25) Cranmer Abacus-Subtraction using the rules of 1-5 – YouTube Posted at 20:54h in Uncategorized Read More