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Kindergarten math · Unit 2: More, less, and counting on

After 29 comes 30

What this lesson shows

Fixes a mistake

27, 28, 29, then 30, not 20 and not "twenty-ten". A new ten starts.

The worked example

The lesson works this one step by step: on from 27, 4 numbers. Then your kid tries one like it on paper.

The steps

  1. Count on
  2. Stop at the 9
  3. A new ten starts
  4. Keep counting

Helping at home

Read each box aloud. Listen for the jump to the next ten: after 39 comes 40. Count past each ten out loud together.

If your kid gets stuck

After 9 ones, a new ten starts.

Watch it with Lux

With Lux, this lesson is a narrated video and a printed page your kid works on. Then Lux helps with the same math on their own worksheet, one question at a time.

See how Lux works

Standards

  • Common Core K.CC.A.2
    Count forward beginning from a given number within the known sequence (instead of having to begin at 1).
Matches a standard in all 50 states and DCSee each state's code

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