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3rd grade math · Unit 3: Place value to 10,000

Zeros hold empty places

What this lesson shows

Fixes a mistake

Nine thousand three is 9,003, not 9,300. 0 hundreds and 0 tens.

The worked example

The lesson works this one step by step: 9,003. Then your kid tries one like it on paper.

The steps

  1. Four places, every time
  2. Each part in its place
  3. A 0 in each empty place
  4. Check with expanded form

Helping at home

Draw four blanks first: thousands, hundreds, tens, ones. Write each part the words say in its own place, then a 0 in every blank left. Check with expanded form.

If your kid gets stuck

Draw four blanks first.

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

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