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1st grade math · Unit 3: Tally marks and pictographs

The fifth mark crosses

What this lesson shows

Fixes a mistake

Five standing marks are hard to count. The fifth lies across, and the sixth starts a new bundle.

The worked example

The lesson works this one step by step: 7. Then your kid tries one like it on paper.

The steps

  1. Four marks stand up
  2. The fifth lies across
  3. The sixth starts a new bundle

Helping at home

Stand up four marks, then lay the fifth across them to close a bundle. The sixth mark starts a new bundle.

If your kid gets stuck

Close a bundle at 5.

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 1.MD.C.4
    Organize, represent, and interpret data with up to three categories; ask and answer questions about the total number of data points, how many in each category, and how many more or less are in one category than in another.
Matches standards in 50 statesSee each state's code

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