• 12 boxes
  • Checked September 2026

Label the Place Value Chart

One number with a digit in every column: name the place over each digit, from the ones to the thousandths.

Which place goes in this box?

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Each numbered ring is a button. Use the arrow keys to move between them and Enter to choose. Names are read out in Study, and once a box is answered.

All 12 boxes on the diagram

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Whole-number places 6

  1. Ones The first place to the left of the decimal point. Here, 1.
  2. Tens Worth ten ones each. Here, 5 tens are 50.
  3. Hundreds Worth ten tens each. Here, 7 hundreds are 700.
  4. Thousands Worth ten hundreds each. Here, 2 thousands are 2,000.
  5. Ten thousands Worth ten thousands each. Here, 8 of them are 80,000.
  6. Hundred thousands Worth ten ten-thousands each. Here, 4 of them are 400,000.

Decimal point and decimal places 4

  1. Decimal point The dot after the ones. Places to its right are parts of one.
  2. Tenths One of ten equal parts of one. Here, 6 tenths.
  3. Hundredths One of a hundred equal parts of one. Here, 3 hundredths.
  4. Thousandths One of a thousand equal parts of one. Here, 9 thousandths.

Periods 2

  1. Ones period The group of three places next to the decimal point. Hundreds, tens, ones.
  2. Thousands period The second group of three places: hundred thousands, ten thousands, thousands.

How this list was compiled: Every name checked on 2026-09-30 in at least two of these. (1) Common Core State Standards for Mathematics, as published by the California Department of Education (2013), Number and Operations in Base Ten, grades 2 to 5, https://www.cde.ca.gov/be/st/ss/documents/ccssmathstandardaug2013.pdf (the digits of a number represent amounts of thousands, hundreds, tens and ones; a digit in one place stands for 10 times what it stands for in the place to its right; decimals to hundredths and thousandths; the decimal point). (2) William J. Milne, Standard Arithmetic (1895), public domain, https://archive.org/details/standardarithmet00milnrich (units, tens and hundreds; figures are separated into groups of three called periods, separated by commas; the name of units’ period is omitted in reading; the decimal point; tenths, hundredths, thousandths; a figure’s value is increased ten-fold by each removal one place to the left). (3) G. A. Wentworth, A Grammar School Arithmetic (1889), public domain, https://archive.org/details/grammarschoolari00wentrich (orders: units, tens, hundreds, thousands, tens of thousands, hundreds of thousands, millions; a period is a group of three figures, the period of units and the period of thousands; the decimal point is a dot placed after the units’ figure; tenths, hundredths, thousandths). (4) Wikipedia, Positional notation, https://en.wikipedia.org/wiki/Positional_notation (ones place, tens place, hundreds place). Licence: own work

The drawing: Drawn for this site on 2026-09-30 from plain geometry. Own original chart; nothing is traced or copied. Licence: own work

How it works

Label the place value chart for the number 482,751.639. Each digit has a blank box for its place, from hundred thousands down to thousandths, with one box for the decimal point and two for the periods.

Read the full guide

Start at the decimal point

The place just left of the decimal point is the ones. Each step left is worth ten times more: tens, hundreds, thousands. Each step right of the point is a tenth as much: tenths, hundredths, thousandths.

Label the units in the place value chart

Class worksheets call the places units, because each place counts a unit of its own: ones, tens, hundreds. Three places make a period, and a comma separates one period from the next.

  • Whole-number places end in s; decimal places end in ths. Tens are left of the point, tenths right of it.

Questions and answers

What are the places on a place value chart?

Going left from the decimal point: ones, tens, hundreds, thousands, ten thousands, hundred thousands. Going right from it: tenths, hundredths, thousandths.

What is a period in place value?

A group of three places. The ones period holds the hundreds, tens and ones. The thousands period holds the hundred thousands, ten thousands and thousands. Commas separate the periods.

What place is the first digit after the decimal point?

The tenths place. The second digit after the point is hundredths and the third is thousandths.

How much is each place worth compared with the next?

Ten times the place on its right and one tenth of the place on its left. Ten ones make a ten, and ten tens make a hundred.