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Peabody TeachFor teachers and grown-ups

4 digit random number generator, 1000 to 9999 v0.1.0

1000 to 9999 · 9000 left
Hold Space or the button, then let go

The range and settings travel inside the link after the # sign, which browsers never send to any server. Numbers marked away are not included.

Space hold to roll, let go to land · 1–4 mode · R reset · S say it · M sound · F full screen · Esc leave it

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A 4 digit random number generator: every press draws a number from 1000 to 9999, large on the projector, for place value, reading numbers and rounding.

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How to use it

  1. The range is already set from 1000 to 9999. Press Hold to roll or the Space bar, and let go to land on a number.
  2. No repeats is on, so each number comes up once until all have been used. Untick it to allow repeats.
  3. For another range, type the lowest and highest numbers in the boxes, or open the full random number generator for odd, even, multiples and more.

Ideas for class

  • Draw a number and ask children to say the digit in each place: thousands, hundreds, tens and ones.
  • Round the number to the nearest ten, hundred and thousand, and compare how far each rounded number is from the original.
  • Draw four numbers with How many set to 4 and ask children to put them in order from least to greatest, then greatest to least.
  • Read the number aloud together, then write it in words and as an expanded sum, such as 4,000 plus 300 plus 20 plus 5.

Related

Questions

Can a 4 digit number start with zero?

No. The range here is 1000 to 9999, so the first digit is never zero. The Digits tab in Reveal mode can draw a code with a zero at the front when No zero at the front is unticked.

How is this different from the Digits tab?

This page picks a whole number from 1000 to 9999. The Digits tab draws a number of one to seven digits one place at a time and shows it in words and in expanded form.

Can I get a number with the thousands comma, like 4,305?

The reels show the digits. Use the Digits tab in Reveal mode for the number in words and expanded form, or write the comma in yourself when you read the number aloud with the class.

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