3个3个地顺数和倒数
Counting forwards and backwards
从0开始，按3个3个地向前数和向后数。
Count forwards and backwards in steps of 3 from 0
学习证据 / Evidence
- 能数出3、6、9、12、15……至少数到30
- 能从30开始按3个一数倒着数
- 能说出按3的倍数排列的数列中下一个数
- Count 3, 6, 9, 12, 15 … up to at least 30
- Count backwards in 3s from 30
- Identify the next number in a sequence of multiples of 3
评估问题 / Assessment
{{name}}能按3个一数——3、6、9、12、15——一直数到30，而不会数乱或需要重来吗？
Can {{name}} count in threes — 3, 6, 9, 12, 15 — far enough to reach 30 without losing track or needing to start over?