Number Wheels Small 320×127 Medium 640×254 Large 1024×406 Download Tiff Original 2400×951 | (298.1 KB) Description Addition, subtraction, and multiplication wheels students use to spin and find the solutions. Keywords add, addition, drill, math tools, multiplication, multiply, number wheels, practice, subtract, subtraction Galleries Miscellaneous Math Tools Source: Ellsworth D. Foster ed. The American Educator (vol. 1) (Chicago, IL: Ralph Durham Company, 1921)
