What's Included: The addition flashcards includes 54 double-sided cards with 100 addition problems to practice math facts with numbers 0-12. A bonus resource card with extension activities is also included with the math flashcards. How It Works: The kids flash cards help to teach or review essential addition skills. Check your child's answer for accuracy on the back of each flash card. Use the resource card to utilize new fun ways to bring math learning to life for your child.