Pinit Skill Builders! First Grade Addition & Subtraction Activity Set By Learning Resources(0)No Reviews yet SKU: LER1238 $18.99 Quantity discounts available QuantityPrice Quantity -+ Add to Shopping Cart Details Make elementary addition and subtraction a snap! Learn fact families, practice with ten-frames, build problem-solving skills, and more. Includes built... Details Back DetailsMake elementary addition and subtraction a snap! Learn fact families, practice with ten-frames, build problem-solving skills, and more. Includes built-in carrying case. Additional content available online. For ages 6 and up. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review