Hundreds, Tens & Ones

The hundreds digit counts hundreds, the tens digit counts tens, the ones digit counts ones

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About This Practice

A hundred flat is worth 100, a ten rod is worth 10, and a little cube is worth 1. Tap + and − to change the blocks and the digits and equation update right away. Build the target number and you will know exactly what three-digit numbers are made of!

Build three-digit numbers with flats, rods, and cubes. Tap + or − on each place and watch the digits and equation update until you match the target.

EasyEstimated Time: 10minthree-digit numbersplace valuehundredsbase-ten blockswithin 1000

How to Play

  1. Read the target number first: how many hundreds, tens, and ones do you need?
  2. Tap + and − on the hundreds row until the flats match the hundreds digit.
  3. Adjust the rods and cubes to build the tens and ones.
  4. Read the equation as you go: 342 = 3 hundreds + 4 tens + 2 ones.
  5. When your number glows like the target, tap New Target and play again!

Learning Objectives

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