Basic Subtraction Flashcards by GoodnightFox. A set of 10 hand-illustrated subtraction cards on premium 19pt card stock with a matte wipeable coating. Cards measure 4.13 x 5.83 inches and include ten subtraction problems. Recommended for children aged 10 months to 6 years and suitable as toddler and baby gifts. Key Features Set of 10 subtraction flashcards with hand-illustrated designs Premium 19pt card stock for durability Matte coating that is wipe clean and slobber proof Card size 4.13" x 5.83" for easy handling Optional rounded corners for baby-safe play Includes these subtraction facts: 9-2=7 through 6-5=1 Details Contents: Set of 10 Cards Included problems: 9-2=7; 9-1=8; 7-1=6; 8-3=5; 5-1=4; 4-2=2; 6-3=3; 1-1=0; 11-2=9; 6-5=1 Size: 4.13" x 5.83" Material: Premium 19pt card stock Finish: Matte coating for wipe clean use Design: Hand-illustrated designs Optional feature: Optional rounded corners for baby-safe play Recommended ages: Ages 10months to 6 years old; Ages 10mo+; Ages 5 and up How to Use and Care Wipe clean thanks to the matte coating Who It Is For Recommended for children aged 10 months to 6 years, listed as ages 10mo+ and ages 5 and up. Suitable as a toddler birthday gift, baby shower gift, Christmas gift, stocking stuffer, or for kindergarten, preschool, homeschool, and daycare use. Frequently Asked Questions How many cards are included?The set includes 10 cards. What subtraction problems are on the cards?Cards include 9-2=7, 9-1=8, 7-1=6, 8-3=5, 5-1=4, 4-2=2, 6-3=3, 1-1=0, 11-2=9, and 6-5=1. What are the card dimensions?Each card measures 4.13 inches by 5.83 inches. What material and finish do the cards have?Cards are printed on premium 19pt card stock with a matte wipeable coating. Are the cards safe for babies?Cards offer optional rounded corners for baby-safe play and are recommended for ages 10mo+.