Children learn the dynamics of multiplication and division through visual aid. Each set of double-value flash cards in vertical format includes 90 cards: 81 cards printed on two sides, one side printed with a multiplication problem and the other side with a directly related division problem (e.g. 3×1=3 on one side, 3÷3=1 on the reverse), plus suggested activities cards. For every multiplication fact, there are three other facts that belong to the same family. Sold as 2 sets for a total of 180 cards.
Key Features :
i : Great for teaching the relationship of +/- and multiply/divide; (Example 3+1=4 on one side, 4-1+3 on the reverse).
ii : 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.
iii : 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.).
iv : 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.
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