Oral Calculation - Subtraction

  • Model: KC/S
Quantity :
Price :
$30.00

This book teaches the skill of simple subtraction and includes differences from 18. There are not any mixed numbers. It teaches to automaticity or proficiency.

We recommend purchasing the Digital Countdown Timer and the Progress Charts to assist the educational process.

Great Leaps Oral Calculation with built-in easel
Now with built-in easel!