440 Addition and Subtraction Flashcards for MATH FLUENCY! This is what is included: FLASHCARDS GROUPED BY WHOLES OF 5-10, DOUBLES & DOUBLES + 1, FACT FAMILIES, MAKING 10, 10 + A SINGLE DIGIT NUMBER, and ALL ADDITION AND SUBTRACTION FACTS WITH WHOLES OF 0-18.Flashcards Grouped by Wholes of 5-10 ex. 0+5, 5+0, 1+4, 4+1, 2+3, 3+2, 5-0, 5-5, 5-1, 5-4, 5-2, 5-3Doubles and Doubles +1 Flashcards ex. 2+2, 2+3, 3+2, 5-2, 5-3Fact Families Flashcards ex. 5+2, 2+5, 7-2, 7-5Making 10 Facts Flashcards ex