Fill in the blanks. 510____530_____ _______ 560, 570, ____
520, 540, 550, 580
Fill in the blanks, 100, ____, _____, 400, 500, _____, 700
200, 300, 600
Fill in the blanks. 30, ___, 40, 45, ___, 55, ___, 65
35, 50, 60