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1st grade math · Unit 4: Counting and place value to 120

Counting on and back to 120

What this lesson shows

On a 120 chart, count on from 96 to 104 and back from 54 to 47.

The worked example

The lesson works this one step by step: on 96 to 104, back 54 to 47. Then your kid tries one like it on paper.

The steps

  1. Start on the chart
  2. One number at a time
  3. Change rows at the end

Helping at home

Point to each number on a 120 chart as you say it. At the end of a row, go to the start of the next one; counting back, go up to the end of the row above.

If your kid gets stuck

Where does the next row start?

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.NBT.A.1
    Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral.
Matches a standard in all 50 states and DCSee each state's code

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