Subtraction Chart Small 318×320 Medium 637×640 Large 1018×1024 Download Tiff Original 2400×2413 | (268.7 KB) Description This chart can be used for practice in subtraction. The teacher points to the outside numbers and the student subtracts that by six and recites the answer. Keywords math drill, math practice, minus six, subtraction chart Galleries Miscellaneous Math Tools Source: Ellsworth D. Foster ed. The American Educator (vol. 1) (Chicago, IL: Ralph Durham Company, 1921)
