Fact families: Level 1: sums 0 to 8 -- Level 2: sums 9 to 12 -- Level 3: sums 13 to 20.
Learning to add and subtract has never been this easy! Adding and subtracting basic equations by sight is essential to a solid math foundation. Meet the Math Facts 1, 2, and 3 make learning to add and subtract fun and easy! With adorable characters that your child will grow to love, your child will be able to easily recall basic math facts from 0 to 20. --Page 4 of cover.