Counting to 1,000 is tough, yet it’s in the Common Core Standards for children as young as second grade. These are the related Common Core Standards in second:
- 2.NBT.2 Count within 1000, skip count by 5s, 10s, and 100s.
- 2.NBT.3 Read and write numbers to 1000 using base-ten numerals, number names, and expanded form.
- 2.NBT.4 Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits, using >, =, and < symbols to record the results of comparisons.