• Great for teaching the relationship of +/- and multiply/divide; (Example 3+1=4 on one side, 4-1+3 on the reverse).
• familiarize children with the basic facts of multiplication and division. Quick recall of math basics, " mental math" . Application and interpretation of mathematical language for important elementary concepts. Auditory/visual association.
• Notched corners for quick organization. Large, easy to handle 6-1/4" x 3-1/4" cards. Bold, heavy type to use with large groups. Durable, thick card stock (14 pt.).
• Self-checking (the number on the lower right of each card give the correct answer for the opposite side). Great for small groups, pairs, and whole class participation.

Children learn the dynamics of multiplication and division through visual aid. These double-value flash cards in vertical format consist of 81 cards printed two sides, one side printed with a multiplication problem and the other side with a directly related division problem (e.g. 3x1=3 on one side, 3÷3=1 on the reverse). For every multiplication fact, there are three other facts that belong to the same family. Suggested activities included.