ENDLESS PRACTICE for addition and subtraction within 1,000 according to 2.NBT.7! These 1000 TASK CARDS practice adding and subtracting up to 1,000 as prescribed in 2.NBT.7. Task cards are great for a whole-class game, math centers/stations, fast finishers, extra practice, homework, scavenger hunt, quiz-quiz-trade, scoot, morning work, small groups, or review for test.What’s included?1000 task cards printed 4 to a page*A version with answers on the backs of the task cards*A version without answer