2个2个地数
Counting in 2s
按2、5、10的倍数来数数(跳数)
Count in multiples of 2, 5, and 10 (skip counting)
学习证据 / Evidence
- 数出2、4、6、8……至少能数到20
- 数出5、10、15、20……至少能数到50
- 数出10、20、30……一直数到100
- Count 2, 4, 6, 8 … up to at least 20
- Count 5, 10, 15, 20 … up to at least 50
- Count 10, 20, 30 … up to 100
评估问题 / Assessment
如果{{name}}在数配成对的袜子,能两个两个地数——2、4、6、8——一直数到20吗?还能在数硬币时五个五个地数,或者在数轴上十个十个地数吗?
If {{name}} is counting socks being paired up, can they skip-count in twos — 2, 4, 6, 8 — all the way to 20? Can they also count up in fives when counting coins, or in tens on a number line?