Mathematics
Counting & Cardinality
Procedural
5–7 yrs
Counting in 2s
按2计数
Description
Count in multiples of 2, 5, and 10 (skip counting)
Mastery Evidence
- 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
Assessment Prompt
If your child 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?