These math flashcards help children learn the dynamics of addition and subtraction through visual aid. The double-value cards consist of 81 cards printed on both sides. One side is printed with an addition problem and the other side is printed with a directly related subtraction problem (e.g., 3+1=4 on one side, 4-1=3 on the reverse).
For every additional fact, there are three other facts that belong to the same family. There are 20 packs of math flash cards in every case.
- Design: Addition/Subtraction
- Size: 6.25" x 3.75"
- Material: Durable, thick card stock
- Grade Level: 2-4
- Notched corners for quick organization
- Large type to make reading easy
- Large, easy to handle cards
- 81 cards per pack
- Priced per pack
- 20 packs of flashcards per case
- Product of China