Reading and writing tens and ones

Problem types

• Read tens and ones
• Continue counting

Builds on

• Teen numbers as a ten and ones
• Numerals through 20 · Earlier idea

  Writing a numeral for a quantity extends to two digits: the left digit counts tens and the right digit counts ones.

Leads to

• Add two-digit numbers
• Compare two-digit numbers
• Ten more and ten less
• Hundreds, tens, and ones
• Multiplying by a multiple of 10

Related skills

None listed.