Elda L. Merton

1898

• The New Curriculum Arithmetics, Grade 5
• The new discovering numbers
• The New Knowing about Numbers
• Arithmetic We Use, Grade 4
• Mathematics background for the primary teacher
• Ready for numbers
• Revised study-period projects
• Teachers hand book for the study-period projects
• The Merton-McCall readers
• the new curriculum arithmetics
• The new triangle arithmetics
• The triangle arithmetics