ENDLESS PRACTICE for adding within 100! These 1000 TASK CARDS practice addition with sums up to and including 100 according to 1.NBT.4: " Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10." 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 pr