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5th grade math · Unit 1: Decimal place value

Comparing to thousandths

What this lesson shows

1.409, 1.519, 1.59, and 1.9 on a scaled line, then compared from the biggest place down.

The worked example

The lesson works this one step by step: 1.519 ○ 1.59. Then your kid tries one like it on paper.

The steps

  1. Line up the points
  2. Biggest place first
  3. The first difference decides

Helping at home

Line the points up, then compare from the biggest place down. The first place where the digits differ decides which is greater.

If your kid gets stuck

Which place is the first to differ?

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 5.NBT.A.3b
    Compare two decimals to thousandths based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons.
Matches standards in 49 statesSee each state's code

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