Count on by 1s — Fill in the missing numbers.
Read the number word. Write the numeral.
Write the number word. (Remember: no "and" — we say "one hundred twelve.")
Estimate First! Think about the number line from 110 to 120. Don't count — just picture it!
Is 112 closer to 110 or 120?
Is 119 closer to 110 or 120?
Number Talk — Aria says the number after 119 is 120. Ben says it is 1110. Who is right? Explain WITHOUT counting all the way from 1.