Posted on October 5, 2017 by admin Adding Tens, Practice 1 30 + 70 20 + 80 10 + 50 50 + 60 10 + 20 80 + 10 20 + 70 10 + 70 80 + 20 70 + 30 Post navigationPrevious post: Adding 20, Practice 3Next post: Question #1
Posted on October 5, 2017 by admin Adding 20, Practice 3 20 + 85 37 + 20 20 + 78 20 + 20 20 + 16 62 + 20 20 + 63 46 + 20 20 + 13 38 + 20 Post navigationPrevious post: Adding 15, 25, …Next post: Question #1