Abeka Addition and Subtraction flashcards homeschool tutor study aid

Abeka Addition and Subtraction Educational Flashcards Homeschool Great Condition Two boxes One addition and one subtraction Mathematical problem in black on one side answer in red on opposite card side. Abeka is a Christian-based curriculum for preschool through grade 12 that includes textbooks, teaching aids, and research-based resources. Abeka's curriculum is used by Christian schools and homeschooling families around the world.