2004 Three Corner Flash Cards Addition & Subtraction Math All Facts 1-12 Trend

These are dated 2004 and are in very good complete condition. There are 46 2-sided cards. They cover all math facts 1-12 for addition and subtraction.  These are for ages 6 and up. Perfect for homeschooling or a way to practice math facts at home. Make sure to look at the pictures!