Rays Primary Arithmetic gr. 1 to 2
This book introduces the four operations of addition, subtraction, multiplication, and division, along with countin...more
save 6% 7.51
Rays Test Examples in Arithmetic gr. 1 to 6
A book of problems on topics in Practical Arithmetic. Teachers may draw upon these for preparing tests....more
save 27% 9.48
Rays Intellectual Arithmetic gr. 3 to 4
Extends work in the four operations to higher numbers and begins fractions, measurements, ratio and percentage. Can...more
save 6% 9.39
Rays Practical Arithmetic gr. 5 to 6
Reviews basic arithmetic skills and carries them to high levels. Also covers topics of measurement, factoring, deci...more
save 27% 12.40
Rays Higher Arithmetic gr. 7 to 8
Includes philosophical understandings; principles and properties of numbers; and advanced study of common and decim...more
