Counting Sherman2016-09-06Early Math, Mathcounting, early math, khan academy 1.Counting small numbers Counting with small numbers / 1-9 Counting in order / You have to remember the order of the first ten numbers: 1, 2, 3, 4, 5, 6, 7, 8, 9, 0. （更多…）
Topics of Early math Sherman2016-09-06Early Math, Mathaddition, counting, early math, geometry, khan academy, length, measurement, shape, subtraction, topics Counting Counting small numbers Numbers 0 to 120 Counting objects Comparing small numbers （更多…）
