Mott Media has republished the version of Ray's Arithmetic from the late 1870's and early 1880's! Extends work in the four operations to higher numbers and begins fractions, measurements, ratio and percentage. Can be used with many children through grades 3 and 4.
Mott Media has republished the version of Ray's Arithmetic from the late 1870's and early 1880's! Extends work in the four operations to higher numbers and begins fractions, measurements, ratio and percentage. Can be used wi...
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