Global Product Type: Printed Flash Cards Subject Area: Mathematics Specific Subject: Subtraction 0 to 12 Language(s): English Grades: Grades 1 to 5 Age Recommendation: Ages 6 and Up Illustrated: No Color(s): Black/White Border Color(s): Olive Green Width: 3.25' Height: 5.25' Number of Cards: 54 Product Biodegradability Indicator: N Product Compostability Indicator: N Pre-Consumer Recycled Content Percent: 0% Post-Consumer Recycled Content Percent: 0% Total Recycled Content Percent: 0%